This question has options. Answer the question about text:

My mother was 26 and my father 36 when they married . I do n't know exactly how it came about but it was n't easy as my mother was Catholic and my father Protestant . In 1933 that about equalled Black and White in 1960 .

Why was my mother 26 ?
Available choices:
[a]. Because my mother was Catholic ..
[b]. Because I do n't know exactly how it came about ..
[c]. Because my father was 36 ..
[d]. None of the above choices ..
[d].