Mehrab is one of "the" "most" intelligent boys "of " the "science" class. (FInd out which Quoted part of the following sentences has an error)

Question

Mehrab is one of "the" "most" intelligent boys "of " the "science" class.  (FInd out which Quoted part of the following sentences has an error)

Accepted Answer

সঠিক উত্তর: c। ব্যাখ্যা: