THE 22ND SEA GAMESCHOOSE THE WORD WHOSE UNDERLINED PART IS PRONOUNCED...

26. - DE TIENG ANH 12 CO BAN UNIT 13 CO DAP AN
DE TIENG ANH 12 CO BAN UNIT 13 CO DAP AN

26. If humans________ two heads, they couldn’t make decisions easily.

A. have

B. have had

C. had had

D. had