42 It is the balancing out of sociological likenesses and psychological differences that seems to point the way for themost solid lifelong romance.
(A)The most stable kind of romance that lasts a lifetime seems to happen to couples who share similar socialbackground while differing in innate nature.
(B) Without the balance between social similarity and psychological discrepancy, couples struggle to maintain alifelong romantic relationship.
(C) The balance between similar social background and divergent personal characteristics does not guarantee astrong romantic relationship.
(D) Couples who share similar social experiences yet differ in physical features seem to love each other for a long time.