英语高中一道填空完形题 (.)

问题描述:

英语高中一道填空完形题 (.)
I struggled to achieve tasks that came ( ) to difficulty.
A smoothly
B strongly
C frequently
D easily

D 原文应该是 I struggled to achieve tasks that came ( ) to most.
我很努力地完成那些对大多数人而言很简单的任务.