There is nothing wrong with using a credit card for purchases. It’s more than carrying loads of cash.
A. convenient
B. valuable
C. sensitive
D. innocent
网友回答
(答案→)A. convenient
B. valuable
C. sensitive
D. innocent
解析：考查词义辨析。convenient方便的，valuable有价值的，sensitive敏感的，innocent天真的，句意：使用信用卡购物没有什么错，它比携带好多现金更方便。所以选A。