In 2000, StarLink (approved by the EPA for animal feed in 1998 but not for human consumption because of concerns it contained a protein that could cause dangerous allergic reactions) turned up in many Kraft products, including their Taco Bell corn shells. In this sentence, “concerns” refers to “it contained a protein that could cause dangerous allergic reactions”. （ ） A.对 B.错

In 2000, StarLink (approved by the EPA for animal feed in 1998 but not for human consumption because of concerns it contained a protein that could cause dangerous allergic reactions) turned up in many Kraft products, including their Taco Bell corn shells. In this sentence, “concerns” refers to “it contained a protein that could cause dangerous allergic reactions”. （ ） A.对 B.错

正确答案：A