Answer key to sample quiz 2

I hope this is right.

1-B, 2-D, 3-C, 4-B,
5-A, 6-C, 7-C,
8-B, 9-B, 10-D, 11-B,
12-C, 13-D, 14-D, 15-C, 16-D,
17-A, 18-B, 19-A, 20-B.

Let me know if you think any of these are wrong. We'll get it fixed.