He put his hands into his pockets and then shrugged his shoulders（ ）.
选项：

A:他把他的手放进他的口袋里，并且之后怂了怂他的肩膀。
B:他把他的两只手放进他的口袋里，然后怂了怂他的肩膀。
C:他将双手放进衣袋里，然后怂了怂肩膀。