【单选题】Which of the following best expresses the essential information in the highlighted sentence? Incorrect answer choices change the meaning in important ways or leave out essential information.
A.
To avoid misunderstanding, it is very important to understand the foreigners' languages.
B.
Listening comprehension is the most important among the four skills: listening, speaking, reading and writing.
C.
In order to get full understanding, we should speak to them as often as possible.
D.
What we speak to them is as important as what they speak to us.