Positive integer z leaves the remainder of 1 when divided by 3, the remainder of 3 when divided by 5 and the remainder of 5 when divided by 7. What is the smallest possible value of z?
A. 101
B. 103
C. 105
D. 107
E. 208
A. 101
B. 103
C. 105
D. 107
E. 208