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（请给出正确答案）
The No.3 air cycle pack temperature indication is______hot.
A.being read
B.to read
C.reading
D.read
B.to read
C.reading
D.read
参考答案
参考解析
解析：本题考查动词的形式。
题目意为“3号空气循环机组温度指示为热状态。”read用来表示主语的某种状态时，可以用主语形式表示被动意义，也可以使用进行时态，由于空格前有is，选择C。
题目意为“3号空气循环机组温度指示为热状态。”read用来表示主语的某种状态时，可以用主语形式表示被动意义，也可以使用进行时态，由于空格前有is，选择C。
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