( )about wild plants that they decided to make a trip to Madagacar for further researchA.so curious the couple wasB.so curious were the couple C.how curious was the couple wereD.the couple was such curious 单选题
问题描述：
( )about wild plants that they decided to make a trip to Madagacar for further research
A.so curious the couple was
B.so curious were the couple
C.how curious was the couple were
D.the couple was such curious 单选题
答