Ruth and Gerald Are a Married Couple

Multiple Choice

Ruth and Gerald are a married couple. Both are in their late 60s. It is likely that as they get older, ________.

A) both Ruth and Gerald will get shorter
B) Gerald will get shorter, but Ruth will not get shorter
C) Ruth will get shorter, but Gerald will not get shorter
D) only if Ruth or Gerald has osteoporosis, he or she will get shorter