《规范》中受扭构件承载力的计算是按变角度空间桁架模型建立的半理论半经验公式,公式中反映斜压倾角变化的参数是( )。

A、1.2

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/160697993541459e9a5ac98124c359944a02b721ec735.png">

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/160697994789270d6a3e5eb254005959ede98060a7814.png">

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/160697994371818e169c5d77d4978a6753676315487dc.png">