Wendy Wants to Statistically Test the Difference Between Class Rank

Wendy wants to statistically test the difference between class rank (nominal variable with four independent groups) and communication apprehension (interval variable) . For what reason
Should Wendy not consider use of an independent samples t test?

A) an independent samples t test cannot be used if the dependent variable is interval
B) an independent samples t test cannot be used if the independent variable has more than two independent groups
C) an independent samples t test cannot be used with a nominal independent variable
D) an independent samples t test cannot be used when investigating differences