Given the task definition and input, reply with output. You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: As the nail grows, more cells are added at the nail bed.
Question: Dana had long nails that she clipped. When her nails were the short length, Dana noted that the number of cells within them must have
Choices: A)decreased
B)increased
decreased