Choose the Answer Which Best Rewords the Italicized Portion

Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
-In total there have been four wars between the two countries.

A) In total there have been four wars between the two countries.
B) In total, there have been four wars, between the two countries.
C) In total, there have been four wars between the two countries.
D) In total; there have been four wars between the two countries.