Those who in positions, please hand them in this afternoon.
A. hasn't handed; his
B. haven't handed; their
C. has handed; their
D. have handed; his
网友回答
A. hasn't handed; his
(答案→)B. haven't handed; their
C. has handed; their
D. have handed; his
解析： who代表those为复数形式，后面的谓语动词用单数形式,选B。