Identify the code to create a nested ordered list item in an unordered list A.

Item 1
Item 2

B.

Item 1
Item 2

C.

Item 1

Sub item a

Item 2

D.

Item 1

Sub item a

Item 2

E.

Item 1

Sub item a

Item 2

Acompany wants to inform a select list of it's regular customers about a flash sale. which type of platform will it use to send the information and how ? the company can use (email , letter,instant messaging ,) to inform it's customers . the email recipient addresses can be selected using (mail merge , compose , forward