A warm welcome _______to the Russian guests at the airport tomorrow morning.

A．is given

B．has been given

C．is going to give

D．will be given

请列举出蔷薇科较为常见的五种树种（）；（），绣线菊，海棠，苹果，梨，野蔷薇，李，梅，珍珠梅，白鹃梅。