Consider the following positions

1. A short call

2. A short put

3. A long put

4. The short sale of stock

Which of these if done alone would subject an investor to unlimited loss possibilities?

A. 1 and 2 only

B. 1and 4 only

C. 1,2 and 3 only

D. 1,2 and 4 only

E. 1,2,3,4