Three prototypes are scheduled to be the first autonomous vehicles approved for public ___________ the delivery drone, the self-driving taxi, and the robotic semi-truck.

6
writing

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

A

roads,

B

roads;

C

roads:

D

roads, these are

Correct Answer: C

Choice C is the best answer. A colon introduces a list (the delivery drone, etc.) that follows an independent clause.

Choice A is incorrect because a comma cannot introduce a list after a complete sentence. Choice B is incorrect because a semicolon separates independent clauses. Choice D is incorrect because it is wordy and creates a comma splice.