Choose the most grammatically correct sentence from each of the following groups. After the job interview, Stella knew that she had appeared professional, confident, and prepared; however, she felt unsure about getting the position for which so many candidates applied. After the job interview Stella knew that she had appeared professional, confident and prepared, however, she felt unsure about getting the position for which so many candidates applied. After the job interview, Stella knew that she had appeared professional, confident and prepared she felt unsure about getting the position for which so many candidates applied. After the job interview Stella knew that she had appeared professional, confident, and prepared, however, she felt unsure about getting the position for which so many candidates applied