Compare a Graph of the Normal Density Function with Mean

Multiple Choice

Compare a graph of the normal density function with mean of 0 and standard deviation of 1 with a graph of a normal density function with mean equal to 0 and standard deviation of 0.5. The graphs would

A) Have the same height but one would be shifted 4 units to the right.
B) Have no horizontal displacement but one would be flatter than the other.
C) Have no horizontal displacement but one would be steeper that the other.
D) Have the same height but one would be shifter 4 units to the left.