Which of the following transitional words or phrases should be used to indicate a cause or reason?

a. Finally

b. However

c. Since

d. all of the above

Hello.

The answer is: D. all of the above

Transitions are words or phrases that show the relationship between paragraphs or sections of a text or speech.

Words like finailly, however and since is going on explaining it keeps what your saying going.

Have a nice day