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.
-Corporations that produce genetically modified foods point to hundreds of studies that show that they are safe.

A) Corporations that produce genetically modified foods point to hundreds of studies that show that they are safe.
B) Genetically modified food corporations point to hundreds of studies that show that they are safe.
C) Corporations point to hundreds of studies that show genetically modified foods are safe.
D) Food corporations argue that hundreds of studies that show that they are safe.