问题
选择题
It took a long time for the connection between body temperature and illness __________.
A．to make
B．to be made
C．making
D．being made
答案
B。
此题考查的是It takes a long time for…to do sth结构。to be made之所以要用不定式的被动式是因为the connection与make之间为被动关系，比较：make a connection(建立联系)。