---Do you know ?
---Sure, it’s a mouse.
A. How it calls
B. how does it call
C. what it is called
D. what is it called
网友回答
A. How it calls
B. how does it call
(答案→)C. what it is called
D. what is it called
解析：英语宾语从句中一般为陈述语序。根据下文，当然了，它是一只老鼠。可知上文问的是你知道它叫什么吗？故选C。