Participating in leisure and recreation activities can help you better manage stress or help with depression
This situation is termed as "zero sum" in which one person gains and other person loss.
The correct answer is a.: specific.
This structure (this +adj) requires an adjective and the only adjective is in a., the other options are verbs or nouns and are not correct.
This is actually a trick question. You would assume that because one fell it would be 59, however the question never defines what has fallen. Alternatively others may think that it would be 60 since the total number never changes.
However if read verbally it would sound like Six - Tea cups meaning if one fell, five would remain!
