Lack of wireless telecommunications and quick transportation (12) made long-distance travel, impractical because it took up much time and isolated the president from events in Washington, D.C.
Read the passage underlined (12). There may be a mistake in punctuation, capitalization, or spelling. If you find a mistake choose the answer that corrects the mistake. If there is no mistake, choose ‘Correct as is.’
A) Correct as is.
B) made long-distance travel impractical because it took up much time
C) made long-distance travel impractical because, it took up much time
D) made long-distance travel impractical because it took up, much time

Respuesta :

D is incorrect, there should be no period.

Answer:

B) made long-distance travel impractical because it took up much time

Explanation:

made long-distance travel impractical because it took up much time is the correct answer because the sentence is a complex sentence with the dependent clause coming at the end of the sentence. No comma is used before the subordinating conjunction. No other commas are needed in this part of the sentence.