单项选择题
某框架梁集中标注A10@100（4）/200(2)，表示错误的是( )。
A、箍筋为HPB300级钢，直径为10mm
B、加密区间距为100，非加密区间距为200，均为双肢箍
C、加密区间距为100，四肢箍
D、非加密区间距为200，双肢箍
某框架梁集中标注A10@100（4）/200(2)，表示错误的是( )。
A、箍筋为HPB300级钢，直径为10mm
B、加密区间距为100，非加密区间距为200，均为双肢箍
C、加密区间距为100，四肢箍
D、非加密区间距为200，双肢箍
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单项选择题
Refer to Table 2.1. To maximize total production,
Refer to Table 2.1. To maximize total production,
A．Krystal should specialize in writing TV commercials, and Mark should specialize in writing poems.
B．Mark should specialize in writing TV commercials, and Krystal should specialize in writing poems.
C．Krystal should write poems and write TV commercials, but Mark should only write poems.
D．Krystal and Mark should both split their time between writing poems and writing TV commercials.