Answer:
d) Leen
Step-by-step explanation:
a) Lees : This is to say that you reed ( tu lees)
b) Lee : This is to say someone reads (el/ella lee)
c) Leemos: This is to say we read (nosotros leemos)
d) Leen: This is to say you guys read (ustedes leen). In this case its a question, so the order changes to "Leen ustedes ...."