Several years ago the diet industry introduced a variety of appetite suppressants, but some of these drugs caused stomach disorders severe enough to have them banned by the Food and Drug Administration. (A) stomach disorders severe enough to have them (B) stomach disorders that were severe enough so they were (C) stomach disorders of such severity so as to be (D) such severe stomach disorders that they were (E) such severe stomach disorders as to be 答案:D, 为什么E不对呢,明明是说some of these drugs caused stomach disorders severe enough to have them banned by the Food and Drug Administration. 那么逻辑主语就是some of these drugs,而且也符合语义。为什么就不对呢?NN指教指教
Researchers have questioned the use of costly and experimental diagnostic tests to identify food allergies, such as milk, that supposedly disrupt normal behavior.
A)to identify food allergies, such as
B)to identify food allergies,such as to
C)to identify food allergies, like
D)for idenfying food allergies, like that of
E)for identifying food allergies, such as for