which one is right?please tell me the detail.Thank youIn the reading-room there were tables,______you can sit there to read .A at which B in which Cwhere D and The bicycle ______he often rides needs repairing.A on which B in which C by which D with which

问题描述:

which one is right?please tell me the detail.Thank you
In the reading-room there were tables,______you can sit there to read .A at which B in which Cwhere D and
The bicycle ______he often rides needs repairing.
A on which B in which C by which D with which

A
sit at the table 坐在桌子旁边
A
ride on the bike

1D,2C

1C 2A

1a
2a

1选D,因为后面的句子有了there这个词,指的是tables,这不是一个定语从句了.
2选A,我们说ride on the bicycle