Which of the Following Would You Consider to Be a Major

Multiple Choice

Which of the following would you consider to be a major disadvantage while performing transitions on pre-lollipop release?

A) They could only animate the entire Activity/Fragment container as a whole.
B) There were only limited number of animations available to developers.
C) It was not natively supported by Android and needed 3rd party libraries to be performed.
D) All answers are incorrect.