All his plans fell through: Choose the option that best conveys the meaning of the underlined portion in the following sentence

Choose the option that best conveys the meaning of the underlined portion in the following sentence;

All his plans fell through.

A. failed
B. bankrupt
C. unsettled
D. orderliness
E. dissatisfaction

Correct answer is option A. failed. Explanation: "All his plans fell through" this sentence best conveys the meaning of failed.