问题
选择题
It's known to all that large quantities of TV and Radio programs in China were produced
_________ people’s concern over edible oil last year.
A．to raise
B．raising
C．raised
D．having raised
答案
答案：A
题目分析:考查非谓语用法。由语义判断唤起人们对食用油的关注应该是制作节目的目的，只有不定式可以做目的状语，句意：众所周知，去年中国制作了大量的广播电视节目来唤起人们对食用油的关注。所以A选项正确。