What are the characteristics of globular cluster stars?

Question

A.no stars as hot as our Sun
B.old age and hundreds of thousands to millions of member stars
C.no main sequence stars left, with billions of member stars
D.a few hundred stars, most still on the main sequence
E.hundreds of light years across, with bright OB stars dominant

We don't answer lists of questions. Below is a link with you answer. You have to read (and hopefully learn a bit)

http://en.wikipedia.org/wiki/Globular_cluster