Nick is looking for another job because
题型：选择题
问题：
Nick is looking for another job because he feels that nothing he does____ his boss.
A．serves
B．. satisfies
C．promises
D．supports
题型：选择题
某工程有10项工作，其相互的依赖关系如下表所示，则双代号网络计划绘制正确的是（1），其关键路径时间为（2）天。
| 工作代号 | 所用时间(天) | 紧前作业 |
| A | 4 | |
| B | 3 | A |
| C | 2 | A |
| D | 5 | B |
| E | 6 | C、D |
| F | 6 | D |
| G | 4 | E |
| H | 4 | G |
| I | 9 | F、H |
| J | l | I |
（1）是（）
A.
B.
C.
D.