=______． A． B． C． D．A.174.2

单项选择题

=______．
A．
B．
C．
D．

A.174.24.96:6088/Latex/latex.action?latex=XGxlZnRbXGJlZ2lue2FycmF5fXtjY2N9MSAmMCAgJi01IFxcMCAmMSAgJjAgXFwwICYwICAmMVxl%0D%0AbmR7YXJyYXl9XHJpZ2h0XV57LTF9'
B.

C.D.174.24.96:6088/Latex/latex.action?latex=XGxlZnRbXGJlZ2lue2FycmF5fXtjY2N9MSAmMCAgJlxmcmFjezF9ezV9IFxcMCAmMSAgJjAgXFww%0D%0AICYwICAmMVxlbmR7YXJyYXl9XHJpZ2h0XQ%3D%3D'
E.F.174.24.96:6088/Latex/latex.action?latex=XGxlZnRbXGJlZ2lue2FycmF5fXtjY2N9MSAmMCAgJjUgXFwwICYxICAmMCBcXDAgJjAgICYxXGVu%0D%0AZHthcnJheX1ccmlnaHRd'
G.H.174.24.96:6088/Latex/latex.action?latex=XGxlZnRbXGJlZ2lue2FycmF5fXtjY2N9XGZyYWN7MX17NX0gJjAgICYwIFxcMCAmMSAgJjAgXFww%0D%0AICYwICAmMVxlbmR7YXJyYXl9XHJpZ2h0XQ%3D%3D'
I.J.174.24.96:6088/Latex/latex.action?latex=XGxlZnRbXGJlZ2lue2FycmF5fXtjY2N9MCAmMCAgJjEgXFwwICYxICAmMCBcXDAgJjAgICYxXGVu%0D%0AZHthcnJheX1ccmlnaHRd'

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