．________ be sent to work in Beijing?

A．Do you suggest who should

B．Do you suggest whom should

C．Who do you suggest

D．Who do you suggest would

小芳用托盘天平测一物体的质量，横梁平衡后右盘有50g、20g和10g三个砝码，游码位置如图所示，则该物体的质量为             。小明用刻度尺测得物体的长度是____________mm。