- A. Gullible
- B. Anonymous
- C. Unanimous
- D. Vexation
Answer: Option B
Of unknown and unadmitted authorship
One word substitute is Anonymous. Gullible: easily persuaded to believe something; credulous. Anonymous: (of a person) not identified by name; of unknown name. Unanimous: (of two or more people) fully in agreement. Vexation: the state of being annoyed, frustrated, or worried.