European countries, ______ crisis is at hand, are providing great

encouragement for parents to create more babies in the 21^st century.

A. to realize             B. realized          C. have realized       D. realizing

European countries, ________ crisis is at hand, are providing great encouragement for parents to create more babies in the 21^st century．

1. A.
   to realize
2. B.
   realized
3. C.
   have realized
4. D.
   realizing

European countries, ______ crisis is at hand, are providing great encouragement for parents to create more babies in the 21^st century.

A. to realize                 B. realized                    C. have realized                   D. realizing

European countries, ______ crisis is at hand, are providing great encouragement for parents to create more babies in the 21st century.

A. to realize                       B. realized                 C. have realized                 D. realizing

European countries, ______ crisis is at hand, are providing great

encouragement for parents to create more babies in the 21^st century.

A. to realize             B. realized          C. have realized       D. realizing