I uploaded in a previous question but got Wrong answers Please Answer All Of Them + I want Explaination. Thanks

17. For the shown ERD, if the "ISBN Number" is the Primary key of the "BOOK" Entity and "Borrower_id" is the primary key of the "BORROWER" entity, then the primary key of the "LOAN" entity should be: BOOK COPY It Title Author ISBN_Number Is_Reserved ISBN_Number Copy_Number F HT RESERVATION Borrower_id ISBN Number Date Reserved DAte_redeemed LOAN Borrower_id ISBN_Number Date_Out Date_In Copy_Number BORROWER Borrower_id ISBN_Number Copy_Number Status + RENTAL UNT d APARTMENT HOUSE a) A rental unit can be an apartment, a house or just a rental unit. It could be both an apartment and a house at the same time. b) A rental unit can be an apartment, house or just a rental unit; it may not be more than one at the same time. c) A rental unit must be either an apartment or a house, and cannot be both at the same time. d) A rental unit must be either an apartment or a house, and could be both. Bo brak 78 - Analyze the following EER diagram. Which of the following option interpret it correctly STUDENT d UNDERGRADUATE GRADUATE SPECIAL a) A student must be a graduate student or an undergraduate student. b) A student must be a graduate student, an undergraduate, a special student or some other type of student. c) A student must be at least a special student. d) A student must be a doctoral student. Bo brak