7.science is stilllargely ignorant ______ the causes of many kinds of cancer.

分类: 作业答案 • 2022-01-09 18:04:57

问题描述：

7.science is stilllargely ignorant ______ the causes of many kinds of cancer.
A)about
B)with
C)of
D)to
请问为什么选C呢,请帮我详细的解答一下,谢谢

答

be ignorant of不知道,不了解
科学还是很大情况下不了解很多种癌症的起因