Short story not sure about this one

(1) a few days before the big snowstorm, the local weather forecasters said that we would have a small snowfall. (2) the day before the storm, however, they changed their forecasts to say that the storm would be gigantic. (3) when i awoke on the day of the storm, mom told me that school was cancelled. (4) i looked out the window and saw that everything was covered in a layer of snow. (5) so much snow had fallen that a huge mound of it blocked our front door! (6) my sister and i put on our winter coats, hats, and gloves and played outside all day long.

which of these choices is the best topic sentence for this paragraph?

a) in the midst of winter, our town had one very massive snowstorm.
eliminate
b) winter is my favorite season, because i enjoy playing in the snow
c) before this year's snow storm, my school had not had a snow day in three years.
d) although weather forecasters are usually correct, their predictions can be wrong.