According to a recent study of sexual behavior in the U.S., over half of the couples that were married and engaged at the time of the study's survey were living together before making a final commitment to each other.
a. couples that were married and engaged at the time of the study's survey were living
b. couples that were engaged or married at the time of the study's survey had lived
c. couples who were engaged or married at the time when the study's survey occurred were living
d. married and engaged couples at the time of the study's survey had lived
e. married or engaged couples at the time of the study's survey were living
oa B
i thought first action needs to be over before second starts for using "had", it means after getting married couples are no longer living together , NO more
a. couples that were married and engaged at the time of the study's survey were living
b. couples that were engaged or married at the time of the study's survey had lived
c. couples who were engaged or married at the time when the study's survey occurred were living
d. married and engaged couples at the time of the study's survey had lived
e. married or engaged couples at the time of the study's survey were living
oa B
i thought first action needs to be over before second starts for using "had", it means after getting married couples are no longer living together , NO more
