Which configuration should be applied on CE in order to fix this issue?

Refer to the exhibit.

The prefix 10.1.1.64/28 should be advertised to the PE router, yet the prefix is not being received by the PE.

Which configuration should be applied on CE in order to fix this issue?
A . ip prefix-list ROUTES_TO_SP seq 1 permit 10.1.1.64/28
B . router bgp 65000
no network 10.1.1.64 mask 255.255.255.240
network 10.1.1.128 mask 255.255.255.128
C . ip prefix-list ROUTES_TO_SP permit 10.1.1.64/28
D . router bgp 65000
no network 10.1.1.64 mask 255.255.255.240
network 10.1.1.0 mask 255.255.255.0

Answer: A