1919年，新青年本杂志发表 我的马克思主义观疑问习用的介绍啦马克思主义的唯物史观政治经济学和科学社会主义的基本原理。这篇文章的作者？

1-B; 2-C; 3-B; 4-A; 5-A; 6-A; 7-B; 8-A; 9-B; 10-A; 11-A; 12-A; 13-B; 14-B; 15-C; 16-A; 17-B; 18-B; 19-B; 20-C; 21-A; 22-B; 23-C; 24-A; 25-A; 26-B; 27-A; 28-B; 29-B; 30-A. 31-B; 32-A; 33-C;34-B; 35-B; 36-A; 37-B; 38-ABC; 39-B; 40-B; 41-A; 42-A; 43-B; 44-C; 45-B; 46-A; 47-A; 48-C; 49-B; 50-C; 51-B; 52-C; 53-C; 54-C; 55-C; 56-B; 57-C; 58-C; 59-B; 60-B; 61-B; 62-B; 63-C; 64-C; 65-B; 66-C; 67-B; 68-A; 69-B; 70-C.