(A) A number of large insurance companies (B) has (C) their headquarters in the25/64Mark the letter A,B,C or D on your answer sheet to show the underlined part that needs correction in each of the following questions. (A) A number of large insurance companies (B) has (C) their headquarters in the (D) capital city.A numberhastheir headquarterscapital cityGiải thíchĐáp án : B a number of + N (số nhiều) : V chia số nhiều. has -> have