For the first half which statement is invalid and answer both please

if 7 is odd or 11 is odd then 9 is even 11 is not odd if 7 is odd then 9 is even c. 7 is not odd and 11 is odd 11 is not odd or 9 is even if 7 is odd then 9 is even d. 21) Select the correct expression for (?) in the proof segment below: a. p b. q c. pq d. p