PU-MET : Panjab University MBA Entrance Exam with MCQ Answers 2014

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86.

Dead ends never _________ scientific progress. ___________ they were always a factor that induced researchers and thinkers to_____________ the commonly held beliefs of their time, __________________ a breakthrough

A: led to I Indeed I delve into I thus occasionally achieving
B: interfered with I Indeed I be satisfied with I while abandoning any attempt to achieve
C: furthered I On the contrary I cling to I thus often achieving
D: hindered I On the contrary I question I which enabled them to reach

The answer is: D