You need to update the webpage

You implement an application by using HTML5 and JavaScript. You create a webpage that contains the
following HTML:

The application must place a border on only the first UL element that is contained in the DIV element.
You need to update the webpage.
What should you do?

A.
Option A

B.
Option B

C.
Option C

D.
Option D

Explanation:
Example:
CSS File:
ul {
border: 1px solid black;
}
Inline CSS:
<ul class=”container” style=”border: 1px solid black”>