During one of the test I came across this problem but even after reading the explanation I am not able to understand it. Please help me I had picked up D as an answer while correct ans is E.

Ten years ago, scientists predicted that the animal z would become extinct in t years. What is t?

(1) Animal z became extinct 4 years ago.

(2) If the scientists had extended their extinction prediction for animal z by 3 years, their prediction would have been incorrect by 2 years.


My Explanation.
for (1): it says that "t" wud be six as if u take any value of current time then it will conclude for it.

For (2): also same logic and u can get precise ans.