"...Seven years wert thou lent me, and I thee pay,/Exacted by the fate, on the just day." Which of these is the correct interpretation of this excerpt from Ben Jonson's "On my First Son"?

A: His son died at the age of seven
B: He paid off a large debt over the course of seven years
C: His son was made an apprentice at the age of seven
D: He was forced into debt when he reached the age of seven

A: His son died at the age of seven