Which revision BEST changes the tone of this sentence from informal to formal?

Question

I'd like to get a job there because I like digging around and planting stuff.
A.

I want a job there so I can mess around outdoors in gardens.
B
.

I'm looking for a yardwork job because I like working outside.
C.

I am requesting a job that will let me plant stuff and work in folks' yards.

Answer 1

C.

I am requesting a job that will let me plant stuff and work in folks' yards.