单选题 ______ Jennifer has some experience in the retail industry, the manager asked her to run the fundraising stall.
  • (A) Once
  • (B) Since
  • (C) Plus
  • (D) Whereas


【正确答案】 B
【答案解析】[语法] 表原因连词since(因为……)
[错误答案] (A)一旦……(C)(连接性副词)加上(D)鉴于……