they are going to make a film ____a novel by lao she

问题描述:

they are going to make a film ____a novel by lao she
A basing on
B is basing on
C is based on
D based on

这里是省略which is的表达方法.
They are going to make a film (which is) based on a novel by lao she.
这里在选项前面的是which is,所以选项里只能用被动语态based on
翻译:他们要根据老舍写的书制作一部电影.