单选题:执行如下代码后,下述各选项中表达式的值为False的是()
执行如下代码后,下述各选项中表达式的值为False的是() @[D](2)
```
n=3
a=[0]*n
for i in range(n):
a[i]=[0]*i
```
A. [] in a
B. [0] in a
C. [0, 0] in a
D. [0, 0, 0] in a
A.[] in a
B.[0] in a
C.[0, 0] in a
D.[0, 0, 0] in a
答案:D
```
n=3
a=[0]*n
for i in range(n):
a[i]=[0]*i
```
A. [] in a
B. [0] in a
C. [0, 0] in a
D. [0, 0, 0] in a
A.[] in a
B.[0] in a
C.[0, 0] in a
D.[0, 0, 0] in a
答案:D