Stock ABC Is Currently Trading at 100 $\mu = 0$ And $\sigma = 0.40$

Multiple Choice

Stock ABC is currently trading at 100.The stock has lognormal returns with with $\mu = 0$ and $\sigma = 0.40$ .What is the 95% confidence interval for the stock price in 3 months?

A) $( 21.6,178.4 )$
B) $( 67.6,148.0 )$
C) $( 45.7,219.0 )$
D) Cannot be calculated from the given information.