Choose the Answer Which Best Rewords the Italicized Portion

Multiple Choice

Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
As a result of logging oyamel firs trees, the habitat of the monarch butterfly population has shrunk.

A) the monarch butterfly population has shrunk.
B) the monarch butterfly population is shrinking.
C) the monarch butterfly population had shrunk.
D) the monarch butterfly population was shrinking.