Alejandro wants to post an animation on his social media page that shows a series of slightly different images displayed in sequence. What type of animation should he select? A.) Animated gif
B.) HTML 5
C.) Adobe Flash
D.) Adobe animate cc

The type of animation he  should select is A.) Animated gif

Animated gif are picture which are in Graphic interchange format (GIF) .

Animated gif  are very easy to download because they download quickly.

Animated gif are picture that always move non stop when displayed  on a computer screen or other device as the picture changes from one picture to another picture.

They can always be found on the internet and they are mostly used as an advertisement pictures that is embedded on web pages which help to showcase a company product.

Inconclusion The type of animation he  should select is A.) Animated gif.

Learn more about Animated gif here:

 link

Adobe Flash

Explanation:

From the list of given options, Adobe Flash answers the question.

Adobe Flash are basically multimedia animations that are created to include numerous images which are displayed in sequence.

Other options such as Adobe animation cc is a software used to create flash animations, html5 is a web language, animated GIF are short animations.

the only way i would see could be an autoclicker type software. but that is very time consuming.