问题

Be careful! You might fall into the water. -Thank you. I____.I______ so close to the pool.
A:didn't know; am standing
B:don't know; am standing
C:didn’t know; was standing
D:didn't know;Would stand
B:don't know; am standing
C:didn’t know; was standing
D:didn't know;Would stand
正确答案是: