问题：
[不定项选择题] Nobody ever went into academic circles to make a fast fortune. Professors, especially those in medical-and technology-related fields, typically earn a fraction of what their colleagues in industry do.
A、could earn as much as doctors
B、were able to earn more than engineers
C、were not good at earning money
D、did not intend to earn money easily
参考答案：
D、did not intend to earn money easily
● 参考解析
