Answer:
The answer would be C, a selection of the best work of a designer
Step-by-step explanation:
This is because a graphic design portfolio is a way of show casing your best work. An employer may find you inconsistent if you don't. It should usually contain...
-An introduction or cover letter
-A table of contents
-A resume and biography
-Examples of your past graphic design work
-A list of your credentials, including education, training, industry certificates, awards and membership in professional groups