A) stumbles upon
B) hinge upon
C) starves without
D) lacks
Correct Answer: B
Solution :
The speaker is talking about how sometimes the greatest inventions are formed on or depend on simple ideas or basic thoughts. Option (b) is the correct option because it means 'to depend on', which fits in perfectly with the statement as then it would mean that some of the greatest inventions depend on simplistic ideas.You need to login to perform this action.
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