Which one among the following statements about diastrophism is correct?

Options

A. The forces may be so slow and gradual that they pass unnoticed for a long period of time.
B. The forces may be both slow and sudden that they pass for a short period of time.
C. The forces may be sudden and so fast that they pass unnoticed for a long period of time.
D. The forces may be slow but for a short period of time.