Do not waste your time looking that link up I tried looking my answer up and it said it was fake.
B, because it doesn't exactly quicken as in a, no odd characters are introduced, and these not really any details we need to know that are left out. I picked B because there are intentionally larger words.
A is the correct answer because a prepositional phrase is telling where something is located. so a is saying that the envelope is in the drawer.
Answer:
If I win 1 lakh rupees in a speech contest then probably I will do something that I won't regret later on.
