【单选题】

In the old days, sending a thank-you note to a relative was easy. You wrote it, (1) , a stamp on the envelope and dropped it (2) a mailbox. (3) it went in a red-white-and-blue U.S. Mail truck, and (4) of days later the friendly neighborhood mailman walked it, (5) . weather, right to the recipient’s door.

(6) you’re as likely to send a fax, e-mail, or instant message. (7) you cling to traditional pen and paper, it’s no longer clear (8) it will travel.AirborneExpress Overnight Two-Day Priority
(9) it moves into the 1st century, theAmerican mail system (13) to survive. In the past few years, the U.S. Postal Service(USPS) has (11) many new services, (12) stamps over the Internet, electronic bill payment, and a service that prints and mails electronic documents Yet revenues depleted by alternative communications (e-mail, electronic banking), (13) with rising fuel and operating costs, led to a $150 million loss in 2000.
Meanwhile, private carriers are competing (14) business, forcing the Postal Service to contract with the likes ofDHL andEmery Worldwide just to maintain its global reach. (15) still delivering 20 percent of the world’s mail, the men and women in the blue uniforms of the Postal Service just can’t seem to (16) .
The problem is that the U.S. hasn’t (17) grips with the fact that in a fast-changing world, mail delivery is better run as a competitive business than as a government monopoly. (18) many countries have privatized their postal systems, the USPS has attempted to maintain business in both the public and private worlds. It is a semiprivate corporation with a lumbering government bureaucracy. It is (19) by a board of governors (20) a blend of local politicians, small-town business leaders and federal bureaucrats.
A、combineB、combining
C、combinedD、combination