29．— Come on, please give us some more explanation about the project.

— Oh, sorry. With so much work ______ my mind, I almost break down.

A.filling         B. to fill           C. filled             D. being filling

— Come on, please give us some more explanation about the project.

— Oh, sorry. With so much work ______ my mind, I almost break down.

A. filling         B. to fill           C. filled             D. being filling

29．— Come on, please give us some more explanation about the project.
— Oh, sorry. With so much work ______ my mind, I almost break down.

A．filling

B．to fill

C．filled

D．being filling