A client has been told to take ibuprofen (Motrin, Advil) to relieve the pain of her rheumatoid arthritis. Which of the following statements indicates the client understands how to take this drug safely and effectively

A. "I should not take aspirin with this drug unless my physician says to. "
B. "I should not take this drug with antacids or food products. "
C. "I do not need to worry about this medicine irritating my stomach. "
D. "I should notice the effects of this medicine within the first few days. "

扣件式钢管脚手架连墙构造分为（）：

A.钢性

B.柔性

C.固定

D.活动