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