(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.

进站信号机应设在距进站最外方道岔尖轨尖端（顺向为警冲标）不小于（）m的地方。如因调车作业或制动距离的需要，一般不超过（）m。