Which statement is true?

Exhibit:

As shown in the figure, external route 1.1.1.0/24 is imported to RTA that is located in the NSSA area RTD is a backbone area router. RTB and RTC are both area border router (ABRs).

OSPF configuration are as follows.

Which statement is true?
A . RTD receive two external LSAs whose LS_ID is 1.1.1.0
B . RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 2.2.2.2.
C . RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 3.3.3.3.
D . RTD receive an external LSAs whose LS_ID is 1.1.10/24 based on category 7 LSAs sent by RTA

Answer: C