Read the following sentence and choose the best alternative which should replace the italicized part of the sentence.
To be a great manager requires, strong inter-personal skills, the ability to think fast, and demands a can-do attitude.

A

requires strong inter-personal skills, the ability to think fast, and demands

B

requires strong inter-personal skills, the ability to think fast, and

C

requires strong inter-personal skills, demands the ability to think fast, and

D

requiring strong inter-personal skill, an ability to think fast, and demands

E

demands strong inter-personal skills, an ability to think fast, but with