For nearly 50 years, Spock has been a ____
题型:单项选择题
问题:
For nearly 50 years, Spock has been a ______ author writing 13 books including an autobiography and numerous magazine articles.
A.prevalent
B.precautious
C.prospective
D.prolific
For nearly 50 years, Spock has been a ______ author writing 13 books including an autobiography and numerous magazine articles.
A.prevalent
B.precautious
C.prospective
D.prolific