单项选择题
Given classes defined in two different files：
What is required at line 5 in class SomeApp to use the process method of BitUtils？（）
A.process（bytes）；
B.BitUtils.process（bytes）；
C.app.BitUtils.process（bytes）；
D.util.BitUtils.process（bytes）；
E.import util.BitUtils.*； process（bytes）；
F.SomeApp cannot use the process method in BitUtils.
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A.r， t， t，
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A.p.setWeight（420）；
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