Consider the following HTML code example:
<TITLE>Document Imaging</TITLE>
<BODY>
<CENTER><B>Document Imaging Overview</B></CENTER>
Document imaging is an ever-increasing process happening daily in the marketplace. This article
will cover the three main elements needed to efficiently create an imaging solution: hardware,
software, and process.<P>
<H2>Hardware</H2>
</BODY>
What is a potential problem with the output of this code?
A.
The varied letter case usage throughout the code
B.
The failure to close container tags
C.
The use of incorrectly ordered heading tags
D.
The implicit structure by use of procedural markup