He hid himself behind the door _____ he still could see what would happen to his classmates.
A. there B. which C. from which D. from where
He hid himself behind the door _____ he still could see what would happen to his classmates.
A. there B. which C. from which D. from where
D
易错选C, from where相当于 from behind the door,而from which则相当于from the door,显然from where更合乎语境.