-- -- Efron, the biggest teen star in America right now,is travelling around the world the third High School Musical film .
----It must be well received.
A. promote
B. promoting
C. promoted
D. being promoted
网友回答
A. promote
(答案→)B. promoting
C. promoted
D. being promoted
解析：考查非谓语动词。这里动词的现分形式作状语。