What Is the Implicit Premise in the Following Argument? Rod

Multiple Choice

What is the implicit premise in the following argument? Rod will buy new sneakers, given that his old ones are falling apart.

A) Rod wants new sneakers.
B) If Rod's sneakers are falling apart, then he will buy new ones.
C) Rod cannot wear sneakers that are falling apart.
D) Rod doesn't like his current sneakers.
E) Rod buys new sneakers at this time each year.