问题
选择题
Laura was happy ____ by so many kind-hearted friends when she had a serious operation in hospital.
A．to support
B．to be supported
C．being supported
D．supported
答案
答案：B
考查非谓语动词。Be happy to do sth.做某事感到非常高兴。且主语Laura和support是动宾关系，所以用不定式的被动形式。选B。