Given that it is cheaper and more efficient, so ocean transportation, rather than air or roadway portage, carries the most commercial cargo worldwide.

Question

Choose 1 answer:
Choose 1 answer:
(Choice A) NO CHANGE
A
NO CHANGE
(Choice B) efficient so
B
efficient so
(Choice C) efficient,
C
efficient,
(Choice D) efficient
D
efficient

Answer 1

The best choice for clarity and proper punctuation in the sentence is (Choice C) "efficient," because it correctly uses a comma to separate the two contrasting ideas.

So, the correct answer is:

(Choice C) efficient,