THIS IS MY BABY SISTER. AND … IS THIS

câu 95. - DAP AN DE THI IOE K4 QUAN NINH KIEU 2012-2013
DAP AN DE THI IOE K4 QUAN NINH KIEU 2012-2013

Câu 95. This is my baby sister. And … is this? – This is Susan. She is my friend.

A. what; B. when; C. who; D. how