In regards to hedging with options, which of the following is/are true?

1. Both the delta of a call and a put are between 0 and 1.

2. The gamma for both a call and a put are positive.

3. To hedge a long position in a call on 100 shares, one would sell 100 times delta shares.

A. Only 1

B. Only 2

C. 1 and 3 are true

D. 2 and 3 are true

E. All of the above