pls help will give brainlest and the Listed answer choices below!!!

Jeremy puts $3200 in an account that does not earn any interest. Every month he deposits the same amount of money.
$3200,$3400, $3600
what is the explicit formula for the amount of money in month n?

A. a(n) =200 + (n-1) 3200
B. a(n)= 200 x 3200 ^ (n-1)
C. a(n)= 3200 x 200 ^ (n-1)
D. a(n)= 3200 + (n-1) 200