某省医院对家养宠物的人作了检查,发现其中有1%的人感染了皮肤病。这听起来很吓人,但接受检查的只有家养宠物的人,专家推测,在该省内,有皮肤病的人比例将大大小于1%。如果是这样,那么以下4个人中,谁的说法为专家的推测提供了有力的依据?甲说:“该省养宠物的家庭占所有家庭的10%。”乙 A provincial hospital for domestic pets made a check and found that 1% of those who contracted dermatosis. This may sound scary, but only domesticated pets who are under scrutiny, experts speculate, will have significantly less than 1% of all skin diseases in the province. If so, which of the following four individuals provide a strong basis for the speculation of experts? A: “The province’s pet family accounts for 10% of all households.”