hanks again for all your kind support and understanding 为什么后面的understanding不是understan？

She is a strange girl and sometimes her ideas are

That is a poorly phrased sentence。D is probably the best answer。She is a strange girl, and sometimes her ideas are hard to understand。 [to be strange and to be hard to understand are similar; therefore, the conjunction should be "and。 "She is a strange girl, but sometimes her ideas can be unde...全部

  That is a poorly phrased sentence。D is probably the best answer。She is a strange girl, and sometimes her ideas are hard to understand。
    [to be strange and to be hard to understand are similar; therefore, the conjunction should be "and。
  "She is a strange girl, but sometimes her ideas can be understood。  [to be strange and to be understood are contrary; therefore, the conjunction should be "but。
  "I hope this question was not on an exam!。收起