What can this HSK 4 expression mean? Master it!

Read the sentence below:

Jenny huì tiàowǔ, dàn tiào de bù zěnme yàng.
Jenny 会 跳舞， 但 跳 得 不 怎么 样。

Question: Which of the following sayings is correct from reading the sentence above?

A. Jenny tiào de bú tài hǎo.
A. Jenny 跳 得 不 太 好。

B. Jenny tiào de fēicháng hǎo.
B. Jenny 跳 得 非常 好。

C. Jenny bú huì tiàowǔ.
C. Jenny 不 会 跳舞。