有關一些英文片語.單字的問題

Thanks to the new treatment, the patient's condition has improved a lot.

Thanks to可以換成下面哪個片語呢??

A)) based on　B))instead of　C))depending on　D))because of


My younger sister dare not ride the ferris wheel because she is afraid of ____. 框框內應該填哪一個單字?

A)) lights B)) heights C)) flies D)) skies



Julie's eyes were opening _____ when her boyfriend took a big damond out of his pocket.

A)) aside B)) cleanly C)) wide D)) highly