Article: Innovation and Technology: A Panacea to Teaching and Learning Challenges during the Covid$-19$ Lockdown in South Africa$]$ The learning process in online education cannot reach its full potential... $($p$\mathrm{.}74)?$

a$.$

due to a lack of theoretical content in online courses

b$.$

because of sufficient resources for effective online learning

c$.$

because of the ease in managing career, family, and social lives in a virtual learning environment

d$.$

until students practice what they learn