Answer:
b. Truth
Step-by-step explanation:
Since all the impossible outcomes are eliminated, then there should be no unusual outcome left to figure out.
Hence, if there still is an improbable outcome, that means that is the only true outcome.
The truth isn't supposed to be obvious when it comes to finding clues on the reason behind a certain event.
Hence, no 'possible' outcomes are true since they are misleading.
Only the leftover improbable one can lead to more clues, closer to the truth.