I remember..... in the restaurant some time ago..

Posted by 123 on 2013/8/21 11:41:49
I remember_______ in the restaurant some time ago.
A:seeing them talking
B:seeing them to talk
C: to see them talking
D: to see them to talk.

Which answer is correct?
I often get confused about using "ving" or "to+v".

This Post was from: http://okenglish.tw/newbb/viewtopic.php?forum=14&topic_id=4423&post_id=14821