---friend of Alfred's will come tomorrow.I'm wondering how old --the man he might be.

问题描述:

---friend of Alfred's will come tomorrow.I'm wondering how old --the man he might be.
A.The;a B.The;the C.A;a D.A;the

D 前面是泛指,用a,后面是特指,指代前面已经提到的那个人,用the