As artists who write about their work, their ________ responsibility in this article is to provide a coherent account of their own practicE.

A、principal
B、principle
C、main
D、municipal
E、participal

【参考答案】

C
解析：句意为作为写自己工作的艺术家，他们的主要责任就是对自己的实践提供一个连贯的描述。根据句意应该选择C