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

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.
D.
I am seeking employment that will allow me to explore my horticulture interests

D. I am seeking employment that will allow me to explore my horticulture interests.