Read the following context and choose the best option to answer the question.
Context: It is like night and day . The parents , teachers , and kids there seem so nice . Already Arthur 's teacher has gotten to know so much about him . On the first day she told me that she noticed , " he was a little nervous at first , but after a while he relaxed and got more comfortable . " She also said he " is a quick learner , he likes math , and he 's quite an artist . "
Question: Why was the teacher speaking to the parents ?
Options: 
A. Because they ran into one another at the store .
B. Because they were attending parent teacher night .
C. None of the above choices .
D. Because the boy had gotten detention .


B