请选择ABC7S5~6Z4[+K1z,d1H7f7x2U7~There ________ four children. The monster wanted to eat the children.+v'u9H/~8J+C(x9a,V1P7o
A. was+v'u9H/~8J+C(x9a,V1P7o
B. is+v'u9H/~8J+C(x9a,V1P7o
C. were+v'u9H/~8J+C(x9a,V1P7o