A student may demonstrate proficiency by meeting both the units of credit and alternative process portfolio option requirements. (1) The student must receive a grade of C or higher in four units of credit in a language other than English. All four units of credit must be in the same language other than English and shall consist of language courses, language arts courses, content area courses or any combination thereof. For the purposes of meeting the requirements of this option, units of credit in English language arts or English as a second language for English language learners cannot be used. (2) The student must create a portfolio comprised of the following: a presentation, an interview with a panel composed of three or more members of the district’s education staff and community who are proficient in the target language other than English, and a student-produced work sample, written when appropriate. Districts shall ensure that the alternative portfolio option includes both the receptive and expressive aspects of the language other than English.