单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now listen to the conversation.

According to Brigid, why can’t some children do well in school examinations

A.They don’t have proper education.
B.They don’t have enough encouragement.
C.Their parents are not responsible.
D.They are not good with words and numbers.