The most common way to start a sentence is with a subject, making the correct answer B.
An example would be a simple sentence "He broke the window" where "he" is the subject.
The wicked witch of the east caused the woodman to become tin
Answer: A plateau period is when you are in a place where nothing hasn’t moved concerning a situation.
Explanation: For example, someone can have a plateau in weight, where the scale isn’t moving up or down it’s just staying the same.