(A) 条件(1)充分，但条件(2)不充分．
(B) 条件(2)充分，但条件(1)不充分．
(C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
(D) 条件(1)充分，条件(2)也充分．
(E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
David has three credit cards: a Passport card, an Everywhere Card, and an American Local card. He owes balances on all three cards. Does he owe the greatest balance on the Everywhere Card
(1) The sum of the balances on his Everywhere Card and American Local card is $1, 350, which is three times the balance on his Passport card.
(2) The balance on his Everywhere Card is [*] of the balance on his Passport card and [*] of the balance on his American Local card.