A teacher gave a test to a class in which 10 \% of the students are juniors and 90 \% are seniors. The average score on the test was 84 . The juniors all received the same score, and the average score of the seniors was 83 . What score did each of the juniors receive on the test?
Answer Choices
A. 85
B. 88
C. 93
D. 94
E. 98