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'tknow;Would stand
B: don't know;am standing
C:didn’t know; was standing
D:didn'tknow;Would stand
正确答案是: