如图是甲、乙两种不含结晶水的固体物质的溶解度曲线．根据图示判断，下列有关说法中，错误的是（　　）

A．在t₂℃时，甲物质的饱和溶液降温到t₁℃时，溶液变浓

B．在t₁℃时，乙的溶解度大于甲的溶解度

C．将t₁℃时乙的饱和溶液升温，会析出晶体

D．t₂℃时，甲的饱和溶液中溶质质量分数为

A person with diabetes has received a minor leg injured. The symptoms of the onset of a diabetic coma include（）.

A.reduced appetite and thirst

B.sneezing and coughing

C.only a low grade fever

D.slurred speech and loss of coordination