If the sum of the first `100` terms of an `AP` is `-1` and the sum of even terms lying in first `100` terms is `1`, then which of the following is not true ?
A. Common difference of the sequence is `(3)/(50)`
B. First term of the sequence is `(-149)/(50)`
C. `100^(th)` term `=(74)/(25)`
D. None of these