根据对话内容，从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
A: 46 ?
B: I want to buy a miracle.
A: 47 ?
B: It’s for my little brother. He has something bad growing inside his head. My daddy said only a miracle could save him. 48 ?
A: How much do you have with you?
B: Two dollars and twelve cents. If it’s not enough, I can get some more later. 49 .
A: What kind of miracle does your brother need?
