你在学什么科目
what subjects───什么科目
what you are───你是谁
what are you───你是干什么的
you are what───你是什么
subjects───n.学科;科目(subject的复数);[图情]主题;被试者;v.使服从;使经受;提交(subject的三单形式)
studying───v.研究;学习(study的ing形式)
you are what you read───你就是你所读的
but what are you───但你是什么人
what are you doing───你在干什么
John: What subjects are you studying?───约翰:你都学哪些科目?
What subjects are you studying?───你学是是什么专业?
What subjects are you studying now?───你现在学什么科目?
What subjects are you studying?