--The scarf is nice, but the price is a little bit high.

-- ___ , but if you want good quality, you have to pay more.

A．No wonder

B．No doubt

C．No offence

D．No problem

滞化水指被食品组织中的显微结构或亚显微结构所（）的水；与结合水相比，其特点主要是与非水物质（）但（）自由流动。