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

Question

The space telescope ____ far beyond the moon, where the cold of deep space keeps its mirrors stable.

Accepted Answer

A. orbits. The singular subject 'telescope' takes the singular verb 'orbits.'

Answer

B. orbit — 'Orbit' is the plural form, but 'telescope' is singular.

Answer

C. orbiting — 'Orbiting' alone leaves the sentence without a main verb.

Answer

D. have orbited — 'Have orbited' is plural; the subject is singular.

Standard English Conventions practice question