On my list i have three names: welsh, bob parker, mandy ross, wendell. which choice indicates the best punctuation and/or conjunction that should be used to complete this sentence? a)the first blank should be filled in with a semicolon, while the second blank should have a semicolon followed by the word and. b)each blank should be completed with a comma. c)the first blank should have a comma, while the second should have the word and. d)the first blank should have a comma. the second blank should have a comma followed by the word and.