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Explanation:

In the third para, when the author mentions that "it doesn't mean that a clock that creates the most possible entropy would be maximally accurate –" he resorts to using the example of a "large, inefficient grandfather clock" to, clearly, refer to a clock that creates relatively high entropy, and then continues to compare it (in a matter-of-fact manner) with an atomic clock which not only produces (relatively) much less entropy but is also known to be highly accurate.

The comparison is done to mark the differences between the two types of clocks. Hence, option (c) is not an argument made by the author.

We believe option (c) should be the correct answer for this question. But the IIM authorities have given option (b) as the correct answer.