In the options labelled A to E, all the words except one have the same stress pattern, Choose the one with the different stress pattern. Example: A. behind ...

In the options labelled A to E, all the words except one have the same stress pattern, Choose the one with the different stress pattern.

Example: A. behind B. delay C. liver D. relay E. resigns
The words in A, B, D and E are all stressed on the second syllable while option C is the only one stressed on the first syllable
Therefore the correct answer is C.

A.uncertain
B.longevity
C.felicity
D.guarantee
E.sabbatical