Which of the Following Series of Stages of Doneness in Sugar

Multiple Choice

Which of the following series of stages of doneness in sugar cooking is arranged in the correct order, from least done to most done?

A) thread $\to$ hard ball $\to$ crack $\to$ caramel
B) caramel $\to$ crack $\to$ hard ball $\to$ thread
C) thread $\to$ caramel $\to$ crack $\to$ hard ball
D) caramel $\to$ hard ball $\to$ thread $\to$ crack