[Dnsmasq-discuss] Why the dnsmasq dns serverice don't read the first line of /etc/resolv.conf

[gong bin]

HI , everybody
  The topic as the subject. I write a wrapper of dnsmasq to setting the dns
ip address.The format of resolv.conf is
nameserver  XXXXXXXX
nameserver  XXXXXXXX
When I am testing it, I found the Dnsmasq not read the first line Which
never use first dns server.

2. I want to know one dnsmasq how can to setting as dhcp server for two
subnets and two different interface.

  Thanks.

Alex