“Illnesses, including rubella, smallpox and polio, are now prevented by vaccination and millions of children’s lives are saved. ________, adverse reactions to vaccines are extremely rare.”In order to make the text more coherent, the following phrases can be added between the two sentences EXCEPT________.
选项:
A:At the same time
B:What’s more
C:However
D:Besides
发布时间:2024-04-01 15:18:45