One of the trickiest gramar aspects in any language is subject-verb agreement. Considering subject-verb agreement, the only correct alternative is:
- A. Many leading researchers have published their findings in journals.
- B. The only excuse possible are the ones we invented together.
- C. To keep these students inside the classroom all the time are not healthy.
- D. The New York Times are the best newspaper in the USA.
- E. A number of documents is missing from the office since yesterday.