MediumReading and Writing· Standard English Conventions· None· MCQ
Although a popular theory claims that the extinction of the dinosaurs was caused by an asteroid impact, many scientists now believe that several factors contributed to their decline, ____ volcanic eruptions and climate change.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
including
B
include
C
includes
D
included
Correct answer: A
Explanation
The phrase "including volcanic eruptions and climate change" is a nonessential element that modifies the noun phrase "several factors." A comma after "decline" is needed to set off this nonessential element from the rest of the sentence.
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id opensat:33df34ef6cf28926b83b3c90a0adf70e · question random_id_c1
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