Question

— Be careful! A car may hit you. 

— Thank you! I         I            so close to the road.

1. A.
   didn’t know; am standing
2. B.
   don’t know; am standing
3. C.
   didn’t know; was standing
4. D.
   didn’t know; would stand

Answer 1

C
一般过去时 可以表达说话人始料未及的事情。我没意识到我站的离路如此近，应该是刚才没意识到才做出了这个动作，故用一般过去时。