In 1969, engineers developed a cooling system for the _________ a massive supercomputer used by the military.
4
writingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
ENIAC;
B
ENIAC,
C
ENIAC
D
ENIAC:
Correct Answer: B
Choice B is the best answer. A comma is used to set off the appositive phrase "a massive supercomputer..." describing the ENIAC.
Choice A is incorrect because a semicolon is too strong for an appositive. Choice C is incorrect because punctuation is needed to set off the appositive. Choice D is incorrect because a colon is not standard for simple appositives.