What does the following sentence suggest? Estelle examined her cupboard and noticed that the box of baking soda, which she had purchased several years ago, had expired.
a) Estelle needs to buy more baking soda.
b) Estelle rarely uses baking soda.
c) Estelle is concerned about the expiration date of the baking soda.
d) Estelle is not concerned about the expiration date of the baking soda.
