多选题 Critics dismissed the engineer's seemingly creative design as being ______, that is, underdeveloped and lacking in sophistication.
  • A. defunct
  • B. unorthodox
  • C. simplistic
  • D. erroneous
  • E. ambiguous
【正确答案】 C
【答案解析】[解析] that is表示解释说明，前后同义重复，空格所填单词和后面的underdeveloped and lacking in sophistication构成同义重复，正确答案为C选项。