My sister will never speak to others like that they say something unpleasant to her .
A. since
B. as if
C. because
D. even if
网友回答
A. since
B. as if
C. because
(答案→)D. even if
解析：连词辨析。A既然；B似乎，好像；C因为；D即使，尽管；句意：即使他们对她说了一些不友好的话，我的妹妹也不会那样对他们说话的。根据句意说明D正确。