An instructor scored a student’s test of 5
题型：单项选择题
问题：
An instructor scored a student’s test of 50 questions by subtracting 2 times the number of incorrect answers from the number of correct answers. If the student answered all of the questions and received a score of 38, how many questions did that student answer correctly ？（）
A．19
B．38
C．41
D．44
E．46