EVENTUALLY :

A. Suddenly

B. Ultimately

C. Quickly

D. Abruptly

E. Initially

Answer: Option B

Solution(By Examveda Team)

Suddenly :quickly and unexpectedly.
Quickly :at a fast speed, rapidly.
Abruptly :sudden and unexpected.
Initially :at first.
Ultimately :finally, in the end.
Eventually :in the end, especially after a long delay, dispute, or series of problems.

Synonym of Eventually is Ultimately.