Sentence Correction
试题详情
题目：
The ivory-billed woodpecker, once the largest woodpecker in North America at a striking 20 inches tall, has moved in and out of the extinct category, with scientists consistently unable to find solid proof for the bird to still exist.
选项:
A、for the bird to still exist
B、for the bird as still existing
C、for the bird's continued existence
D、that the bird still exists
E、of the bird and its continued existence
答案:
D
