When I opened the door, I found my father sitting in his chair, completely ______ in the humorous stories he was reading.

A．absorbed

B．losing

C．attracted

D．addicted

机械堵水是使用封隔器及其配套的井下工具来封堵（）、高压的产液层，以减小各油层之间的干扰。

A、高含水

B、高产液

C、高产能

D、高压力