What is a rechargeable battery?

A. a group of electrochemical cells that can be recharged
B. a group of electrolytic cells that can be recharged
C. a group of electrochemical cells that do not need recharging
D. a group of electrolytic cells that do not need recharging

What is the question

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Ithink is a because if say increased in electronegativity