问题
                    
for your timely warning, we _____ into greattrouble— Well, you know we’re friends
                            A:So is his mother
B:So has his mother
C:So his mother does
D:So it is with his mother
                        
                        B:So has his mother
C:So his mother does
D:So it is with his mother
正确答案是:
                        