－What have you been doing recently?- I ___ a trip to Australia and have just retured.A.took B.have taken C.had taken D.have been taken

what you have been doing What have you been up to lately? what have you been up to?中文翻译 What have you been up too lately? What have you been up to? what have you guys been up to? What have you been doing lately? what have you been up to lately? what have you been up to? what have you been up to today. what are you up what have you been up to where are you going?和where have you been 和what have you been? what have you been up to与 how have you been有什么区别? what have you been up to 还是 how have you been up to how have you been and what have you been up to. 翻译：what have you been learning so far? No matter what kind,I have been loving you. What have you been up to these days?