If the House and Senate Have Different Versions of the Same

If the House and Senate have different versions of the same bill, where does the bill go next?

A) To the President for signature of the bill he favors most
B) To the Rules Committee to set up the guidelines for passage of the bill
C) To the Conference Committee to resolve the differences between the two bills
D) To the Finance Committee to see if there is enough money in the budget for both forms