Jacob earned $12 recycling aluminum cans last month. This expression can be used to show the dollars that Jacob earned this month recycling aluminum cans.

12 × 4
Which statement is true?

Responses
A The amount of money Jacob earned this month was 4 times the amount that he earned last month.The amount of money Jacob earned this month was 4 times the amount that he earned last month.
B The amount of money Jacob earned last month was 4 times the amount that he earned this month.The amount of money Jacob earned last month was 4 times the amount that he earned this month.
C The amount of money Jacob earned this month was 12 times the amount that he earned last month.The amount of money Jacob earned this month was 12 times the amount that he earned last month.
D The amount of money Jacob earned last month was 12 times the amount that he earned this month.

A The amount of money Jacob earned this month was 4 times the amount that he earned last month.