Step 1:
Under the Debtors Method, the Head Office maintains only one Branch Account to ascertain branch profit or loss.
Step 2:
The following adjustments are generally recorded:
• Branch expenses
• Branch stock adjustments
• Goods sent to branch
• Branch cash and debtors transactions
Step 3:
Under Debtors Method, statements related to proper adjustment of branch transactions and stock are considered correct.
Thus, the correct combination corresponds to:
\[
B,\; C,\; D
\]
Step 4:
Hence, the correct answer is:
\[
\boxed{\text{(2) B, C and D only}}
\]