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Answer: CSet 16: Form, Structure & Sense (Beginner)
Explanation
PASSAGE
The researcher's hypothesis, which was identified through extensive analysis_______ has been validated by subsequent experiments.
Which choice completes the text so that it conforms to the conventions of Standard English?
A. (no punctuation)
B. ;
C. ,✓ Correct
D. :
Detailed Answer Explanation
A comma is needed to close the nonessential relative clause 'which was identified through extensive analysis' before the main verb 'has been validated.'
Why others are wrong: A ('(no punctuation)' does not conform to the conventions of Standard English in this context.), B (';' does not conform to the conventions of Standard English in this context.), D (':' does not conform to the conventions of Standard English in this context.).