D is the most clear and effective, in my opinion.
A doesn’t make sense. B seems to be repeating itself. C doesn’t make sense either.
I think that she is shy and that she doesn’t like to talk to people
The Forum served as a stage for Roman politicians and philosophers. It was a sort of a square where people gathered to hear these politicians and philosophers speak.
Answer: portmanteau
Explanation: a portmanteau is a word
And it’s formed by using two different terms into one.