[单选题]
What can we learn abzado )u3u g,3vtz 3j(sos(y) 8p;,zeu 1 nuljynut marriage vows from the passage?
A. They may not guarantee a lasting marriage.
B. They are as binding as they used to be.
C. They are not taken seriously any more.
D. They may help couples tide over hard times.
