The second highest death rates of mothers in the world are in ______.

A．Eleven million children die each year within the first month of life.
B．Around a million children are left without mothers each year because of maternal death from pregnancy-related problems.
C．By 2015, the number of child deaths will have been reduced by two-thirds.
D．Children without mothers are three to ten times more likely to die within one year than those who live with both parents.

A．the Roman God of love
B．an anonymous that can be used by anyone
C．sweetheart and lover
D．a close friend