----I have tried very hard to find a solution to the problem, but in vain ----why not
----I have tried very hard to find a solution to the problem, but in vain -
---why not consult with Frank? You see, _________.
A. great minds think alike
B. two heads are better than one
C. a bird in the hand is worth two in the bush
D. it’s better to think twice before doing something
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