What singly linked list of nodes is accessible from n after the following statements have executed? Node n = new Node (1); n. next = new Node (2, new Node (3)) n. next = n. next. next; n = new Node (4, n); n. next. next = new Node (5); n. next = new Node (6, n. next); A. [1] rightarrow [2] rightarrow [3] rightarrow [4] rightarrow [5] rightarrow [6] B. [6] rightarrow [5] rightarrow [4] rightarrow [3] rightarrow [2] rightarrow [1] C. [4] rightarrow [6] rightarrow [1] rightarrow [5] D. [4] rightarrow [5] rightarrow [6]