Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
Genetic modification, also called genetic engineering, the alteration of genetic material through processes not found in nature.
A)modification, also called genetic engineering, the alteration
B)modification, also called genetic engineering, is the alteration
C)modification, also called genetic engineering, are the alteration
D)modification, also called genetic engineering, were the alteration

Question

Quizplus · Accepted Answer

The best choice is "modification, also called genetic engineering, is the alteration"
The original sentence is missing a verb in order to properly complete the sentence. Since "modification" is a singular noun, the verb should also be singular. "Is" is a singular verb form of "to be."

Choose the Answer Which Best Rewords the Italicized Portion