Consider the Following Code Snippet: Public Class SavingsAccount Extends BankAccount

Consider the following code snippet: public class SavingsAccount extends BankAccount { . . . }
Public class CheckingAccount extends BankAccount { . . . }
) . .
SavingsAccount[] savingsAccounts = new SavingsAccount[100]; //Line 1
BankAccount bankAccounts = savingsAccounts; //Line 2
BankAccount myAccount = new CheckingAccount() ; //Line 3
BankAccounts[0] = myAccount; //Line 4
Which of the following statements regarding this code is correct?

A) Line 2 will cause a compile-time error.
B) Line 2 will cause a run-time error.
C) Line 4 will cause a compile-time error.
D) Line 4 will cause a run-time error.