Article: Innovation and Technology: A Panacea to Teaching and Learning Challenges during the Covid$-19$ Lockdown in South Africa$]$ According to the text, what was a common inequality challenge faced by teachers and students during the lockdown? $($p$.76)$

a$.$

Lack of financial resources for independent and public schools

b$.$

Inequality in access to education

c$.$

Limited availability of quality pedagogical resources

d$.$

Inadequate communication between teachers and students