Which situation is represented by the equation?

5n + 12 = 2n + 48
A) Jim and Paul all together have 5n + 2n marbles, Jim has 12 marbles and Paul has 48 marbles. How many marbles does Jim have?
B) Jim and Paul all together have 12 + 48 marbles, Jim has 5n marbles and Paul has 2n marbles. How many marbles does Jim have?
C) Jim and Paul all together have 2n + 48 marbles, Jim has 5n marbles and Paul has 12 marbles. How many marbles does Jim have?
D) Jim and Paul all together have 2n + 48 marbles, Jim has 5n plus 12 marbles more than and Paul. How many marbles does Jim have?