1.(1)get through 捱過,通過
通過某地時,通常只能行走的路徑很窄,僅容下通過之物
或能解釋成通過考試的意思
(2)get through to sb 是某人理解
例如：
"It's been a challenge to get through to people that these are not shares in the new company ," GM said .
通用汽車表示,“迄今的挑戰(zhàn)在于讓人們明白,汽車清算公司的股票并非新通用汽車公司的股票.
(3)get through還有完成工作、測驗合格、接通電話的意思
2.(1)get across 通過橋或森林
(2)get across 還有使被理解的意思
例如：
I couldn't get my point across in the debate.
在辯論中我無法清楚地表明自己的觀點.
He found it difficult to get his idea across to them.
他發(fā)現他難以使他們了解他的想法
因此,這里選C