Sentence Correction
试题详情
题目：
By pressing a tiny amount of nitrogen between two diamonds to a pressure of 25 million pounds per square inch, scientists not only were able to transform the gas into a solid, but they also created a semiconductor similar to silicon.
选项:
A、 not only were able to transform the gas into a solid, but they also created
B、 not only were able to transform the gas into a solid but also creating
C、 were able not only to transform the gas into a solid but to create
D、 were able not only to transform the gas into a solid but also creating
E、 were not only able to transform the gas into a solid, but they were also able to create
答案:
C
