When Comparing More Than Two Treatment Means,should You Use an Analysis

Multiple Choice

When comparing more than two treatment means,should you use an analysis of variance rather than using several t tests,and if so,why?​

A) ​Yes. Using several t tests increases the risk of a Type I error.
B) ​Yes. Using several t tests increases the risk of a Type II error.
C) ​Yes. The analysis of variance is more likely to detect a treatment effect.
D) ​No. There is no advantage to using an analysis of variance rather than several t tests.