单选题 ______ difficulties we may come across, we'll help one another to overcome them
  • A. Wherever
  • B. Whatever
  • C. However
  • D. Whenever
【正确答案】 B
【答案解析】[解析] A、D两项无法和difficulties搭配；C项为疑问副词，均应排除；而B项为疑问代词。