There is ________ report in today's newspaper. It's about a pair of pandas "Tuan Tuan and Yuan Yuan"

sent to Taiwan as ________ Christmas gift. [ ]

A. a, a

B. an, the

C. the, a

D.／, a

袋鼠生殖的特点是（）.

A.胎生，哺乳，与其他哺乳动物一样

B.胎生，但没有胎盘，幼儿在育儿袋内发育

C.胎生，有胎盘，胎儿在子宫内发育

D.卵生，出生后在育儿袋内发育