If u wanted to have many answer would pick A, C, D. but If u wanted just one, it would be C.
Answer:
Leer:
Yo | estoy leyendo
Tú | estás leyendo
Ud. /él / ella | está leyendo
nosotros | estamos leyendo
Uds. /ellos/ellas | están leyendo
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1. It is formed by combining the "to be" verb with the present participle.
2. Verb stem ± -ando
3. Verb stem ± -iendo
4. The 'i' in the endings like '-ieron' are changed to 'y', '-yeron'
5. An action that is going on now, continuing. It can also indicate something in the future.
It is an excellent way to meet people form other countries with similar as your own.