《琵琶行》和《林黛玉进贾府》分别刻画了琵琶女和林黛玉两个人物形象。请各用一个单句对这两个形象作简要概括。要求：对形象理解正确，表达简明通顺，每句不超过25个字。 （4分）

琵琶女是一个                                                            形象。

林黛玉是一个                                                            形象。

It's said the police have started an investigation,________are being kept secret . [ ]

A. of which details  

B. and the details of which

C. the details of it  

D. the details of which