estion 30 ot yet nswered Mr. Walid gives lecture in the classroom to his student, but some students did not understand the lecture. What communication process that Mr. Walid should use? Marked out of Flag muestion a. Mr. Walid will not give additional feedback to sender b. Mr. Walid will give additional feedback to the receiver c. Mr. Walid will not give additional feedback to receiver d. Mr. Walid will give additional feedback to the sender