. Which of the following statements about greeks is TRUE?

• A. None of the options listed.

• B. Rho has the same sign for calls and puts everywhere.

• C. Vega has the same sign for calls and puts everywhere.

  D. I do not wish to answer this question.

• E. Delta has the same sign for calls and puts everywhere.
• F. Gamma has the same sign for calls and puts everywhere.