Answer:
c. It will be easier for Matilda to keep a record of her transactions with a credit card
Explanation:
The missing options are:
a. There is less of a chance that Matilda identity will get stolen with a credit card
b. Matilda definitely won't have to pay any fees or charges with a credit card
c. It will be easier for Matilda to keep a record of her transactions with a credit card
d. Matilda won't be able to buy anything she can't pay for with a credit card
Other good reasons are: she won't need to have cash with her all the time, she can get rewards of use it, and her purchases will be protected.