单选题 Scientists generally hold that language has been so long in use that the length of time writing is known to cover is ______in Comparison.
  • A.overwhelming
  • B.uninspiring
  • C.astounding
  • D.trifling
【正确答案】 D
【答案解析】[解析] D选项trifling(微不足道的)符合题意。A选项overwhelming(压倒性的)、B选项uninspiring(不鼓舞人的)、C选项astounding(令人惊骇的)都不正确。因此D选项为正确答案。