Ottenheimer Learned That Her Japanese Students Did Not Ask Questions

Multiple Choice

Ottenheimer learned that her Japanese students did not ask questions during the class period, but instead came up after class to ask questions, because

A) in Japan, it is considered deeply embarrassing to have anyone know that you are confused.
B) they were concerned about their linguistic competence in English.
C) in Japan, it is considered rude to waste other students' time with individual questions.
D) they thought that the other students might laugh at them.