Which sentence requires the personal a? a. fabián tiene hermano. b. marisol obedece reglas. c. dile encargado. d. tengo amigos. e. samuel mira pedro.

It is C

Explanation:

Here are the sentences with a:

Fabian has a brother.

Marisol obeys rules.

Tell the manager.

I have friends.

Samuel looks at Pedro.

If you take out the a:

Fabian has a brother.

Marisol obeys rules.

Tell him manager.

I have friends.

Samuel looks at Pedro.

As you can see, only one of them doesnt make sense and needs a

me, te, le, nos, os, les

gabriel le compro una rosa a anita

gabriel bought a rose for anita

(the o on compro has an accent mark)

hope this : )