Fill in the blanks.
Confused and ......... Gaurav fumbled to make sense of seemingly inconsistent statements, ...... the impatience of his listeners.
First, we are looking for a word that pairs with "Confused". And then a word to complement the act where he could not make sense of his listener's impatience.
The pair of words that make the most sense is incoherent and oblivious. Hence, D is the answer.