Directions: The following sentence tests your ability to recognize grammar and usage errors. The sentence contains either a single error or no error at all. The error, if there is one, is underlined and lettered. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence is correct, select choice (E). In choosing your answer, follow the requirements of standard written English.

The doctor (A) told him that he need not (B) to worry about his health but he (C) should not (D) miss his medicines. (E) No error