The number of elements in the set for the Language L={xϵ(∑r) *|length if x is at most 2} and ∑={0,1} is _________

The number of elements in the set for the Language L={xϵ(∑r) *|leng

1.	The number of elements in the set for the Language L={xϵ(∑r) *\|length if x is at most 2} and ∑={0,1} is _________
A.	7
B.	6
C.	8
D.	5
Answer» B.