I Can't Hide My Eagerness To See You Every Day ,Every Hour,E

motivation可不可数
这是我在朗文当代高级英语词典中查出来的：
1 不可数名词 eagerness and willingness to do something without needing to be told or forced to do it
Jack is an intelligent pupil,but he lacks motivation.
2 可数名词 the reason why you want to do something
motivation for (doing) something
What was your motivation for becoming a teacher?
XXX是更好的动机用英语怎么说?（用比较级和motivation）

express the feeling of eagerness in meting with the addressee.

英语翻译
it didn't take me long to lose my eagerness to answer questions

11.He spoke with more eagerness ______ is appropriate on such occasions.( ) A.than that B.than
11.He spoke with more eagerness ______ is appropriate on such occasions.( )
A.than that B.than what
C.than D.other than
请问这道题的正确答案为什么是C,而不是B呢?
than有做为直接的代词用法么?还有相关的例句么?

求3个英语句子的翻译.1-it didnt take me long to lose my eagerness to answer question.2-i bagan to feel intimidated.So,once again,although for different reasons,i was afraid to speak.3-i didnt feel intimidated by students because i took all the time i needed to think out my ideas and wrote a reply before posting it on the screen.

Let me try to exploit my knowledge and eagerness to protect our environment,health and the future.