单项选择题


Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage.
The years after 1812 were relatively unproductive because

A.he felt good in his romantic relationships.
B.he realized that his heating was compromised.
C.he felt inadequate to create more musical pieces.
D.he was very low in spirits.