Answer:
B. 4 years
Explanation:
As per the certain life income period, the guaranteed payments for the recipient lifetime or the specified time duration whichever is more.
Now if the recipient dies before the certain period ended, so the payments would be continued to the other beneficiary unless there is an end for the certain period
So, in the given situation, the payments would be received for
= 10 years - 6 years
= 4 years
Hence, the correct option is B. 4 years