英语求教请问这两题如何选,--I failed in the driving license test.What sha

英语求教
请问这两题如何选,
--I failed in the driving license test.What shall I do?
--Why not try _____ second time .I am sure you can pass it if you are mor careful.
A a B an C the D 不填
______ Tom ______Mary speaks good Chinese ,so they can communicate with Chinese students very well
A Neither ; nor B Not only ; but also C Both ; and D Either ; or