(A) collapsed under - The phrase "collapsed under" correctly conveys the idea that the roof could not bear the weight of the snow, leading to a collapse.

treacherous - The word "perilous" suggests danger, and among the given options, "treacherous" is the most appropriate synonym, indicating a potential threat or hazard.

• "Indulged" suggests involvement or participation, often in a negative or excessive manner, which fits the context of engaging in illegal business practices.
• "Monetary" pertains to money, and it appropriately describes the type of gain being pursued in the sentence.
• The other options do not convey the intended meaning in the context of illegal business practices and short-term gain.

• "Alter" means to make changes or modifications. In this context, it's used to convey the idea of adjusting or changing the outfit to accommodate the person's change in weight.
• "Altar" refers to a raised structure or platform used for religious or ceremonial purposes.
• "Ultra" means beyond, extreme, or excessive, and it doesn't fit the context.
• "Utter" means to speak or express, and it doesn't convey the idea of making changes to an outfit in this context.

"Scent" refers to a pleasant or distinctive smell, especially a pleasant fragrance or aroma. It is the appropriate term to describe the quality of the French perfume in this context.

The other options, "sent," "send," and "cent," have different meanings. "Sent" is the past tense of the verb "send," "send" is a verb meaning to dispatch or transmit something, and "cent" is a unit of currency. None of these fit the context of describing the quality of a perfume.