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 order to combat this issue many countries are adopting water conservation and security solutions.

A) In order to combat this issue many
B) In order to combat this issue, many
C) In order to combat this issue: many
D) In order to combat this issue; many