Estan Caminando isn't the answer as because "estan" implies to be another person, but this isn't the case as it's only the man, the man isn't walking (caminando either)
He isn't shopping (comprando) and he isn't painting (pintando)
The only logical answer is he's cooking (cocinando) which is also heavily implied as him having the bowl and whisk
B.) Esta Cocinando is your answer
A) Miguel es alto. Margarita es muy alta. Margarita es mas alta que Miguel.
B) La tortuga es fea. La iguana es mas fea. La tortuga es menos fea que le iguana.
C) Victor es alto. Emilio es muy alto. Emilio es mas alto que Victor.
D) La iguana es fea. La serpiente es muy fea. La serpiente es mas fea que la iguana.
E) Pepe es alto. Susana es muy alta. Pepe es mas corto que Susana.
F) Ana es alta. (5'10") Cristina es alta tambéin. (5'10") Ana es tan alta como Cristina.
