Between 1960 and 2013, the U.S. share of world exports of goods and services: 1960年至2013年,美国在世界商品和服务出口中所占的份额:
A.
has increased from 9.7% to 38.3%.从9.7%增长到38.3%。
B.
has decreased from more than 20% to 9.7%.从20%以上下降到9.7%。
C.
has slipped to second place, behind only Japan.已滑落至第二位,仅次于日本。
D.
although in decline, has remained in first place with China a close second.虽然有所下降,但仍保持第一,中国紧随其后。