Which option was used to revise this sentence? i can't think of how my life could be any better. wow, how could my life be any better!
changed to a question, exclamation, or command
b.
added introductory words or phrases
c.
moved parts of the sentence around
d.
reversed the order of subject and verb

A, changed to a question, exclamation, or command.

Explanation:

The text reads "Wow, how could my life be any​ better!", which is not correctly written. When asking a question, you must have a question mark at the end.

A. Changed to a question, exclamation, or command.

Explanation:

Exclamation marks are used to indicate shock or surprise. They help the reader realize that he/she should add emphasis to a sentence.

The idea is not to use them in excess so they can have a stronger impact. In other words, the less their are implemented the more powerful they are. The recommendation is not using more than one in the same text.

you didn't list the options but im guessing it's resolving contradictions

comment ur email above in the comments(: