Hi there! I would be happy to help you, but there is nothing to characterize here. Sorry...
The correct answer is D. Flammable.
Flammable is a synonym for combustible and combustible basically means easily flammable, easy to explode.
Definitely unsettling and strange... a very interesting story indeed.
Its funny, task master was wrong and all you cared about were the thanks, that's why you fail the tests, you copy off of the wrong people, the answer was actually: A
because Shackleton brought all 27 of his crew members back alive
all you had to do was read the book! don't make a fool of yourself,