She ________ on the desk all the books she was carrying and ________. down for a rest.

1. A.
   lay; lay
2. B.
   laid; laid
3. C.
   lay; laid
4. D.
   laid; lay

She ________ on the desk all the books she was carrying and ________. down for a rest.

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She________on the desk all the books she was carrying and________down for a rest.

A. lay; lay 　　　　    B. laid; laid 　　　　   C. lay; laid 　　　　   D. laid; lay