________ the actor the director are present at the opening ceremony.
| A. Not ; but | B. Both ; and | C. Either ; or | D. Neither ; nor |
________ the actor the director are present at the opening ceremony.
| A. Not ; but | B. Both ; and | C. Either ; or | D. Neither ; nor |
B
考查主谓一致。Both … and …与系动词are 相符,其余选项的系动词均应就近一致。