impresses me most is         Chinese students are well organized and disciplined. We should learn from them.

A．Which; what

B．What; that

C．What; whether

D．That; what

园林中通常运用乔木加草坪形成疏林草地景观，既能满足人们在草地上游憩娱乐的需要，树木又可起到遮荫功能，体现人和绿地和谐相处回归自然的心理。这类疏林草地景观通常应用的草坪是（）。

A、高羊茅

B、黑麦草

C、狗牙根

D、早熟禾