Figure out unknown angle

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

How do you solve a question like this?