A. habras cantado
B. habran cantado.
The conditional tense indicates a mood of would or could have accomplished a hypothetical situation or activity. The conditional form for saber is as follows:
Yo sabría
Tú sabrías
Usted/Él/Ella sabría
Nosotros sabríamos
Vosotros sabríais
Ustedes/ellos/ellas sabrían
This is an irregular conjugation. Hope this helps! :)
"Siqueiros and Rivera were both painters known for their murals. Siqueiros established "Mexican Muralism." Rivera helped with the Mexican Mural Movement
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David Alfaro Siqueiros (born José de Jesús Alfaro Siqueiros, December 29, 1896, in Chihuahua – January 6, 1974, in Cuernavaca, Morelos) was a Mexican social realist painter, better known for his large murals in fresco. Along with Diego Rivera and José Clemente Orozco, he established "Mexican Muralism.""
I’m pretty sure the answer is D. Lo.
If this is a t or f question its true!!! :)