In the United States, When the Outflow of Dollars to Pay

In the United States, when the outflow of dollars to pay for our imports of goods from Japan exceeds the inflow of dollars earned by our exports to Japan, typically

A) the dollar appreciates
B) the United States can buy back some of its assets that are held by the Japanese
C) this is merely a statistical discrepancy because the trade with Japan (exports and imports) must net out to zero
D) income receipts on investments account
E) the Japanese can borrow the needed dollars through the foreign exchange market