请选择DCBA3J5H+h;{(`-D/Q)K,S2~:w-Where is John? -He ___to the library. He'll come back soon.,?(p(]-`/_3G'b'K
A. has gone,?(p(]-`/_3G'b'K
B. has been,?(p(]-`/_3G'b'K
C. went,?(p(]-`/_3G'b'K
D. was going,?(p(]-`/_3G'b'K