Don’t you think this shirt is too tight ________ the shoulders?

A．across

B．over

C．above

D．through

过期妊娠患者的羊水经常表现为下列哪些特点：

A．羊水量增多，稀薄

B．羊水量减少

C．羊水粪染

D．羊水粘稠

E．臭味羊水