items in a portfolio are known as which of the following?\na articles\nb segments\nc artifacts\nd ingredients

Brief Explanations:

In the context of portfolios, the items within them are typically referred to as artifacts. Artifacts can include a wide - range of work products such as documents, designs, etc. Articles are usually written works in a publication context. Segments are parts of a whole in a more general sense. Ingredients are components in a recipe - like or construction - like context.

Answer:

C. Artifacts