【题目】The tourism of Linyi_______ a rapid growth over the last decade. Now it's 2nd most visited city in Shandong Province.
A. saw B. had seen
C .is seeing D. has seen
在线课程【答案】D
【解析】
试题分析：句意：在过去的十年中，临沂的旅游业已经见证了快速发展，现在它是山东省参观人数第二多的城市。和over the last decade连用，用现在完成时，所以选D。