B. Oftentimes, our family travels to monuments and museums.
Explanation:
Oxymoron is a figure of speech in which contradictory words are placed in the same sentence. These contradictory or opposite ideas bring a literary effect and helps the writer present the ideas more exclusively.
The sentence in option (b) presents an example of an oxymoron. The words that present the opposite or contradicting ideas are 'often' and 'times'. The family here travels to monuments and museums 'oftentimes' that brings the meaning of 'often' and 'times'.
they are different! icing is thicker, like the thing you use on cakes, and it is more fluffy. glaze is thin and it is something you would put on donuts!! glaze hardens over time but frosting doesn't!