Is it only on the world market we can prove the petitiveness and quality of our goods?
A. where
B. which
C. that
D. how
网友回答
A. where
B. which
(答案→)C. that
D. how
解析：考查强调句。句意：只是在世界的市场上我们才能证明我们产品的竞争力和质量吗？此句是强调句的疑问句形式。 Is/was+强调部分+that+其余部分？这里强调的是only on the world market 这个地点状语，选C。