Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. At the age (A) of five and six, each of us used (B) to be most happy (C) to be in the company of the (D) parents.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

At the age (A) of five and six, each of us used (B) to be most happy (C) to be in the company of the (D) parents.