which of the following commands must be remove the route to the network 10.10.1.0/24?

Considering the following kernel IP routing table now, which of the following commands must be
remove the route to the network 10.10.1.0/24?
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
200.207.199.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 200.207.199.162 0.0.0.0 UG 0 0 0 ppp0

A.
route del 10.10.1.0

B.
route del 10.10.1.0/24

C.
route del -net 10.10.1.0/24

D.
route del 10.10.1.0/24 gw 192.168.246.11

E.
route del -net 10.10.1.0

Explanation:
Either specify net in CIDR notation or specify parameter netmask