Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
The reserves in the upper portions of the crust is becoming depleted, so miners have to dig deeper.
A)is becoming
B)are becoming
C)would become
D)had become

Question

Quizplus · Accepted Answer

The best choice is "are becoming"
"Is" does not agree with the plural subject "reserves." "Would become" and "had become" do not convey the sentence's intended meaning. "Are" does agree with "reserves."

Choose the Answer Which Best Rewords the Italicized Portion