A recent report found that women graduates are more likely than non-graduates ____ childless throughout their lives.   

A recent report found that women graduates are more likely than non-graduates ____ childless throughout their lives.

1. A.
   remained
2. B.
   to be remained
3. C.
   remain
4. D.
   to remain

A recent report found that women graduates are more likely than non-graduates ____ childless throughout their lives.   

A. remained          B. to be remained         C. remain                    D. to remain

A recent report found that women graduates are more likely than non-graduates ____ childless throughout their lives.   

A. remained          B. to be remained           C. remain            D. to remain

A recent report found that women graduates are more likely than non-graduates ____ childless throughout their lives.    

A. remained          B. to be remained          C. remain                     D. to remain