【单选题】

Differences in the fuel/water sample and the ability of the detection kits to consistently measure the level of microbial growth make it important to retest and verify test results.

A、Retesting and reviewing test results are optional due to discrepancies in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
B、It is very important to do the test again and confirm test results because of differences in the fuel/water sample and the ability of the detection kits to continuously measure the level of microbial growth.
C、It is mandatory to retest and evaluate test results to make sure the differences in the fuel/water sample and the ability of the detection kits to witness the level of microbial growth.