单选题 The workers of space shuttle Discovery got into the back of the shuttle to look for ______in the electronics that send data from the sensors to onboard computers.
A. glitches B. suspects C. orbiters D. pitches

【正确答案】 A
【答案解析】[解析] glitch“失灵，小故障”；suspect“嫌疑犯”；orbiter“盘旋物，人造卫星”；pitch “程度，斜度，(船只)前后颠簸”。