One Digit from the Number 7,212,662 Is Written on Each $\frac { 3 } { 7 }$

Multiple Choice

One digit from the number 7,212,662 is written on each of seven cards. What is the probability of drawing a card that shows 7, 2, or 1?

A) $\frac { 3 } { 7 }$
B) $\frac { 4 } { 7 }$
C) $\frac { 2 } { 7 }$
D) $\frac { 5 } { 7 }$