单选题 ______ John Adams who in 1775 recommended George Washington to be commander in chief of the Continental Army.
  • A. It was
  • B. That was
  • C. Although
  • D. When
【正确答案】 A
【答案解析】[解析] 本题考察强调句式It be sb. who do sth.的用法，题干中的事情发生在过去，故选A。