下列关于心脏视诊要点的叙述，错误的是 ( )

A．应在温暖环境自然光线下进行
B．患者采取仰卧位，检查者站在患者右侧
C．观察心前区异常隆起和搏动时，两眼应与胸廓同高
D．视诊心尖搏动时，双眼应与心尖区呈垂直位置
E．检查者站在患者右侧，双眼视线与心尖呈切线位

He cannot ______ the fact that he was late again for the conference at the university yesterday.

A．contribute to

B．account for

C．identify with

D．leave out