He would have preferred not to have to outfit her with one of the school brooms since they would have been all but useless in an actual match , but there was nothing for it . To his surprise , however , she reached for George 's Cleansweep instead . His surprise must have shown on his face .

Based on the preceding passage, choose your answer for question Why does the narrator feel that the school 's brooms are n't good enough ?
Select from the following. a). They are ineffective as a cleaning device . b). None of the above choices . c). They are bad for flying . d). They do n't clean and get rid of the dirt .
The answer is:
c).