New research methods are being brought to ______the subject.
【正确答案】 A
【答案解析】解析：由句意可推断出此处应填“与……有关”一类的词组。bear on“与……有关”；pick up“学得，捡起”；take apart“剖析，拆开”；bring on“引起，导致”。故选A。