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.
Unemployment and social unrest have undermined the government's position also.

A) have undermined the government's position also.
B) undermined the government's position also.
C) have undermined the government's position.
D) have also undermined the government's position.