问题
选择题
I cannot______ puzzled, for I simply cannot understand how I could have made such a stupid mistake.
A．help feel
B．help but to feel
C．but to feel
D．help but feel
答案
答案：D
题目分析：考查固定词组。固定词组：can not help but do 情不自禁或不由自主的做某事。句意：我情不自禁地感到困惑，因为我无法理解为什么我会犯如此愚蠢的错误。故D正确。
点评：固定词组：can not help but do 情不自禁或不由自主的做某事