The three main types of managers include ?

Thanks and I will go with option C .

My answer is for option (C)

option (c) is the correct answer

Thanks for your question. My answer Option C - General, Functional & Frontline Managers.

Thank you for your invitation

option (C

In the context of the question, C is the most appropriate answer. However in certain businesses A could also be considered correct. 

Thanks for your invite .

 .. option C my answer ..

dear i think the correct answer is ( C )

best regards

Thanks for the invite ............................c

In my opinion Option C is better choice

Thank you for the invitation. My answer is C