Which of the Following Is a Major Problem with Deflation

Which of the following is a major problem with deflation?

A) Money loses value so rapidly that economic agents will be reluctant to hold money.
B) Economic agents tend put off purchases in anticipation of lower prices for goods and services, leading to a downward spiral in economic activity.
C) Low prices for goods and services tend to result in massive shortages in most markets.
D) Money supply cannot keep pace with consumption spending.