According to the speaker, Xiao Wang ______
题型：单项选择题
问题：
According to the speaker, Xiao Wang ______. a. speaks and writes well in German but does not know much about French or English b. speaks well in German, French and English but does no write well in any of them c. speaks and writes better in German than in French or English d. speaks and writes well in German, French and English
