Rain: connotation is that of abundance, overabundance, or just sheer magnitude. ... The second connotation is sadness, melancholy, distress, or even foreboding. Use of rain or impending rain in movies to convey such these things is almost a trope.
The primary problem is the greenhouse effect. Greenhouse effect is when some gases (including CO2) absorbs some portion of sun's heat to make the atmosphere warm to support life. But when the amount of CO2 etc. increases in the atmosphere, it heats up more than it is required. So, by limiting CO2 emission, we can solve this problem.
The answer is B-
Mark Antony repeats that line to discredit Brutus by giving examples that prove that Caesar was not ambitious.
