单选题：In a dynamic memory allocation system, we have a list of availab
In a dynamic memory allocation system, we have a list of available blocks: @[D](1)
```
Free block No. Block size（KB） Block base address(KB)
1 80 60
2 75 150
3 55 250
4 90 350
```
At one moment, a process requires 50KB memory, and the system allocated No.4 block to that process. We can learn that the system uses ______ allocation algorithm.
A. first fit
B. best fit
C. next fit
D. worst fit
A.first fit
B.best fit
C.next fit
D.worst fit
答案：D
```
Free block No. Block size（KB） Block base address(KB)
1 80 60
2 75 150
3 55 250
4 90 350
```
At one moment, a process requires 50KB memory, and the system allocated No.4 block to that process. We can learn that the system uses ______ allocation algorithm.
A. first fit
B. best fit
C. next fit
D. worst fit
A.first fit
B.best fit
C.next fit
D.worst fit
答案：D