Migrating birds return every year to their place o...

Câu hỏi: Migrating birds return every year to their place of birth to lay their eggs.

A Every year, to lay their eggs, migrating birds return to their place of birth.

B Every year, on returning to their place of birth, migrating birds lay their eggs.

C Every year, on returning to their place of birth, migrating birds lay their eggs.

D Every year, on the journey back to their place of birth, migrating birds lay eggs.