While the tunnel project was initially planned to relieve traffic congestion, it was plagued by engineering difficulties and budget overruns _________ its completion in 2007.

6
writing

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

A

since

B

although

C

despite

D

until

Correct Answer: D

Choice D is the best answer. "Until" indicates the time leading up to the completion, fitting the timeline of problems.

Choice A is incorrect because "since" implies time from the past forward. Choice B is incorrect because "although" is a conjunction. Choice C is incorrect because "despite" implies a concession.