[word choice] "suit" or "fit"

[realmira]

A: I'm really sorry but you don't seem to _________ for the job.
B: You're right. I don't really like this kind of work.

(a) suit
(b) aim
(c) fit
(d) seek

The answer on my text book is (a) "suit."
I was wondering if (c) "fit" could also be an answer.
And, please explain why.
Thank you so much in advance.

[bhaisahab]

A: I'm really sorry but you don't seem to _________ for the job.
B: You're right. I don't really like this kind of work.

(a) suit
(b) aim
(c) fit
(d) seek

The answer on my text book is (a) "suit."
I was wondering if (c) "fit" could also be an answer.
And, please explain why.
Thank you so much in advance.

None of them are right in this sentence.

[realmira]

Are you sure that "None of them are right in this sentence."?

Then what word would be right?

Would you please give me an example and explain why?

[Soup]

be suited for the job