单选题
The writer of this passage wanted to______.
A、
take a photograph of the bird
B、
make a recording of the bird' s calls
C、
catch the bird
D、
watch the sunrise
【正确答案】
B
【答案解析】
[解析] 由第二节中“... and I carefully fixed the recording machine so that they produced the highest reading on the scale．”可以推知B为正确选项。
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