I usually take something to read when I travel by train I feel bored．
A. as if
B. so that
C. in case
D. even though
网友回答
A. as if
B. so that
(答案→)C. in case
D. even though
解析：考查连词：A．as if好像， B．so that 那么，为了，C．in case以防， D．even though即使，句意：我坐火车的时候通常带些东西读，以防感觉厌烦。选C。