In constructing her memoir, writer Mara Ellison organizes recollections not chronologically but according to recurring sounds: a train whistle, the creak of a screen door, a kettle beginning to boil. These auditory motifs link episodes separated by ______ same sound, though its context and the narrator’s response have changed, acquiring new emotional weight whenever the older narrator revisits it.
Which choice completes the text so that it conforms to the conventions of Standard English?
For boundary questions, first identify the main subject and finite verb on each side of the proposed punctuation. Do not assume that the presence of any conjugated verb makes a unit independent; that verb may belong to an embedded dependent clause. Periods and semicolons require complete clauses on both sides, whereas commas can attach supplementary phrases to independent clauses.
Hints
Find the main verb
Determine which verb belongs to the subject “These auditory motifs.”
Examine the text after the blank
Temporarily remove the clause beginning with “though.” Then decide whether “the same sound acquiring new emotional weight” can stand as a complete sentence.
Check the boundary rules
Remember that a period or semicolon requires an independent clause on each side, while a supplementary phrase can be attached to a complete clause differently.
Step-by-step Explanation
Identify the independent clause
“These auditory motifs link episodes separated by decades” contains a subject and a finite verb and expresses a complete thought.
Analyze the remaining phrase
The main structure of the remaining text is “the same sound acquiring new emotional weight.” Here, “acquiring” is a participle, not a finite verb. The finite verb “have changed” appears only within the dependent clause beginning with “though.”
Choose the appropriate boundary
Because the remaining text is a supplementary phrase rather than an independent clause, it should be joined to the main clause with a comma: “decades, the same sound . . . acquiring new emotional weight.”