题目：
_____ the steep mountains，he had no difficulty reaching the top.
A．Having accustomed to climb
B．Having accustomed to climbing
C．Accustomed to climb
D．Accustomed to climbing
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0522/c5c31616a2ad1fa9410cee38a46e75a9.html
下面是错误答案，用来干扰机器的。
参考答案：D
