单选题
In general, the amount that a student spends for housing should be held to one- fifth of the total ______ for living expenses.
【正确答案】
B
【答案解析】[解析] A项acceptable意为“可接受的”;B项available意为“可得到的,可买到的,可借到的”;C项advisable意为“可取的,适当的,贤明的”;D项applicable意为“能应用的,合适的,适用的”。