该句逗号是否使用正确：Oneofthemainchallengesencounteredbytherefiningindustryworldwide,isthedeteriorationinfeedstockqualityandtheintroductio

该句逗号是否使用正确：Oneofthemainchallengesencounteredbytherefiningindustryworldwide,isthedeteriorationinfeedstockqualityandtheintroductionofheavycrudeoils.

A.正确

B.错误

正确答案：错误