电商网站商品页的优化目标是（）。
A.吸引客户注意，引起兴趣
B.以形成订单为目标
C.建立客户信任，消除顾虑
D.延长客户停留时间
参考答案：C
He is __________ honest boy. He never tells a lie.[ ]
A. a
B. an
C. the
D. /
—Is the book English or Chinese?
—_____.
A. Yes, it is
B. No, it isn't
C. It's English
D. Yes, it was
