请选择ABCD1W/]'X+b7v.]9Q2v;M'p When I got home yesterday, the baby ________.5o6E:J'_2W:V6k)z:B-~6?
A. was asleeping5o6E:J'_2W:V6k)z:B-~6?
B. was sleeping5o6E:J'_2W:V6k)z:B-~6?
C. was falling asleep5o6E:J'_2W:V6k)z:B-~6?
D. was asleepy5o6E:J'_2W:V6k)z:B-~6?