Give below are six sentences four of which are jumbled. The first and the last sentences are given. Pick the option that gives the logically correct order of the four sentences.

S-1: Colonel Sanders, at age 65, with a beat-up car and a $100 cheque, realized he had to do something.

A: How many doors did he have to knock on before he got his first order? 

B: He remembered his mother's recipe and went out selling.

C: How many of us quit after three tries, ten tries or a hundred tries?

D: It is estimated that he had knocked on more than a thousand doors before he got his first order. 

S-6: And then we say we tried as hard as we could.