问题
                    
He is always _______ his excellent spoken English; while his sister takes _______ her beauty.
                            A:proud of; pride of
B:proud in, pride in
C:proud in; pride of
D:proud of; pride in ;
                        
                        B:proud in, pride in
C:proud in; pride of
D:proud of; pride in ;
正确答案是:
                        