It seems a reasonable rule of thumb that any genuine offer of help and support from people or organizations will he accompanied by a name and address, and a willingness to be ______ as to their motive in making contact.
 
【正确答案】 B
【答案解析】 动词词组辨析。check out是固定词组，在这里的意思“调查，证实”。see through意为“看穿，识破”，一般指看穿某人的把戏。touch on意为“提及，涉及”；account to非固定词组。故答案为B。