单选题

73、Many are tough, determined individuals who manage to survive against adversity.But even the tough ones reach a point where help should be _______ to them.

A
available
B
avail
C
supply
D
supplying
参考答案  
A
题目详解:
解析:此空需要一个形容词,作表语,“有用的”。
176****9300
“be **ailable to **”(对某人来说是可获得的)。此处用**ailable,精准对应“help”(帮助)这一对象,表达“帮助应被提供给他们、让他们能够获取”