问题
单项选择题
What percentage of its turnover does Synthelabo invest in research and development().
A.10%.
B.15%.
C.20%.
D.25%.
答案
参考答案：C
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What percentage of its turnover does Synthelabo invest in research and development().
A.10%.
B.15%.
C.20%.
D.25%.
参考答案：C