Which choice completes the text so that it conforms to the conventions of Standard English?

Question

The inspector asked whether the fire doors had been checked that ____ nobody could remember.

Accepted Answer

A. month. Unfortunately,. 'Asked whether…' is a reported question, so it ends with a period; the next sentence opens with 'Unfortunately,'.

Answer

B. month? Unfortunately, — A question mark is for a direct question, not a reported one.

Answer

C. month, unfortunately — A comma alone between the two independent clauses is a splice.

Answer

D. month unfortunately, — No punctuation between the clauses is a run-on.

Standard English Conventions practice question