For the Last Decade, Green Giant Has Sold Frozen Vegetables

For the last decade, Green Giant has sold frozen vegetables in various types of sauces. In 2002, the company changed its packaging and began offering frozen vegetables in re-sealable bags with separate frozen sauce pellets. In which of the new product categories would this new method of packaging frozen vegetables fall?

A) New-to-the-world products
B) New category entries
C) Additions to product lines
D) Product improvements