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.
In Belize tourism has become one of the fastest growing sources of employment and income.

A) In Belize tourism has become
B) In Belize, tourism has become
C) In Belize tourism, has become
D) In Belize tourism has become,