Find the Critical Value and Rejection Region for the Type $\alpha$

Multiple Choice

Find the critical value and rejection region for the type of t-test with level of significance α $\alpha$ and sample size n. Left-tailed test, α $\alpha$ = 0.1, n = 22

A) $t _ { 0 } = - 1.323 ; t < - 1.323$
B) $t _ { 0 } = - 1.321 ; t < - 1.321$
C) $t _ { 0 } = 1.323 ; t > 1.323$
D) $t _ { 0 } = - 2.518 ; t < - 2.518$