The Delta of a Up-And-Out Call Option with Barrier $H$ Lying Above the Strike

Multiple Choice

The delta of a up-and-out call option with barrier $H$ lying above the strike $K$ is most likely to be negative when

A) The underlying stock price $S$ is at or near $K$ .
B) The underlying stock price $S$ is close to and less than $H$ .
C) The underlying stock price $S$ is well below $K$ .
D) The delta of a call cannot be negative.