Management of a certain building was receiving complaints about slow elevator service. The solution adopted was to add mirrors in the?

Thank you for the invitation

Agreed with Option A

With greetings and appreciation

In my opinion - A. Creative problem solving

C. Potential problem analysis

Thank you for the invitation

I agree the option C

Thanks for the invitation. My answer is A

Out of given options , I will go with option A - Creative problem solving . 

option A is the right choice.