Answer:
Photography is a complex language in the sense that there are many different complex subjects in photography such as surrealist photography. Photography is unlike any other language because the art itself could be interpreted in more ways than one.
Explanation:
THe answer is A. Themselves. A reflexive pronoun indicates that the person who is realizing the action of the verb is also the recipient of the action.
The gerund in this sentence is "learning". A gerund is a verb form which is acting as a noun, in this case after the preposition "in".
