A-A+
Annie Jump Cannon ______discovered so many sta
问题详情
Annie Jump Cannon,______discovered so many stars that she was called "the census taker of the sky".
A．a leading astronomer,
B．who, as a leading astronomer,
C．was a leading astronomer,
D．a leading astronomer who
参考答案
正确答案：A
解析：结构识别。 a leading astronomer是Annie Jump Cannon的同位语。
