Given below are two statements.
Statement I: If a protein is imagined as a line, the left end is represented by the first amino acid (C-terminal), and the right end is represented by the last amino acid (N-terminal).
Statement II : Adult human haemoglobin, consists of 4 subunits (two subunits of $\mathrm{\alpha }$  type and two subunits of $\mathrm{\beta }$ type).
In light of the above statements, choose the correct answer from the options given below.