请选择ABCD/L6K'D1l*T2a,~9k,f,C(K -_______did you go last Sunday?1h8?6S5?4z2|8M/H.f4U)D*s
-I went to the mountains.1h8?6S5?4z2|8M/H.f4U)D*s
A. How1h8?6S5?4z2|8M/H.f4U)D*s
B. Where1h8?6S5?4z2|8M/H.f4U)D*s
C. When1h8?6S5?4z2|8M/H.f4U)D*s
D. Why1h8?6S5?4z2|8M/H.f4U)D*s