Could you please tell me ?
A. whose book is this
B. whose book was this
C. whose book this is
D. whose book this was
网友回答
A. whose book is this
B. whose book was this
(答案→)C. whose book this is
D. whose book this was
解析：考查宾语从句。句意：你能告诉我这本书是谁的吗？根据语境应用一般现在时态，由特殊疑问词引导的宾语从句应用陈述句语序。故选C。