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

Question

Some birds ____ can mimic human speech with startling accuracy.

Accepted Answer

A. , for example parrots,. 'for example parrots' is an aside inserted between the subject and its verb; it needs a comma on each side.

Answer

B. for example parrots — Without commas, 'Some birds for example parrots can mimic' runs everything together.

Answer

C. , for example parrots — Only the opening comma; the aside must be closed before 'can'.

Answer

D. for example parrots, — Only the closing comma; the aside must be opened after 'birds'.

Standard English Conventions practice question