Which Excel Function Would Give the Critical Value for a Left-Tailed

Multiple Choice

Which Excel function would give the critical value for a left-tailed F test to compare two sample variances?

A) =F.INV(α,df1,df2)
B) =F.DIST(s12/s22,df1,df2)
C) =F.INV(α/2,df1,df2)
D) =1−F.DIST(s12/s22,df1,df2)