Jason,an African-American,and Robert,a Caucasian,both Experienced Welders,apply for Two Openings at Virgo

Jason,an African-American,and Robert,a Caucasian,both experienced welders,apply for two openings at Virgo Inc.Robert is hired and Virgo continues to look for candidates to fill the other position.Jason alleges racial discrimination by Virgo,but Virgo denies this.Which of the following statements would both negate Jason's case and support Virgo's case?

A) Virgo deals in building equipment that requires a certified welder and Jason is a certified welder.
B) Virgo deals in building equipment that requires a certified welder and Robert is a certified welder.
C) Virgo has had a history of discrimination.
D) Virgo has never had a history of discrimination.
E) Virgo deals in building equipment that requires a certified welder and Jason is not a certified welder.