the word “infinity” means（=?）the meaning of the word “infinity”原因 求解

the word “infinity” means（=?）the meaning of the word “infinity”原因 求解
12. I have no idea __B___.
A. what does the word “infinity” mean
B. what the word “infinity” means
C. what the meaning of the word “infinity”
D. what the word “infinity” mean答案解析为;B 语序应该为称述语序,所以选B 我觉得cd都为述句 d排除 为什么c错求解?、、、、