Which sentence uses the most precise language?

After I washed my cell phone in my pants, I was more careful to know its location, especially near water.

After I washed my cell phone in my pants, I made sure to know its location, especially close to water.

After I laundered my cell phone in my pants pocket, I was more careful to track its location, especially near water.

After I laundered my cell phone in my pants, I made sure to track where it was, especially when close to water.

Question

Which sentence uses the most precise language?

 After I washed my cell phone in my pants, I was more careful to know its location, especially near water.

 After I washed my cell phone in my pants, I made sure to know its location, especially close to water.

 After I laundered my cell phone in my pants pocket, I was more careful to track its location, especially near water.

 After I laundered my cell phone in my pants, I made sure to track where it was, especially when close to water.

anonymous · Answer

It is A