Esta tarde, voy a practicar artes marciales _____ las clases.

a. despues de
b. facilmente
c. segun
d. por lo menos

i'm not sure..is it A?

Si, muy bien.

To determine the correct answer for the blank in the sentence, "Esta tarde, voy a practicar artes marciales _____ las clases," let's analyze the options:

a. despues de - This phrase means "after." While it could be grammatically correct in the sentence, it does not convey a logical meaning in this context.

b. facilmente - This word means "easily." It does not fit logically in the sentence.

c. segun - This phrase means "according to." It does not fit logically in the sentence.

d. por lo menos - This phrase means "at least." It could be a logical choice in the context of the sentence, indicating that the person will practice martial arts for a minimum amount of time after their classes.

Based on the context provided, it is most likely that the correct answer is option d. por lo menos.