The volume of gastric juice secreted by the human stomach per day is approximately:

• A
  $500 \, ml$ to $1000 \, ml$
• B
  $2000 \, ml$ to $3000 \, ml$
• C
  $100 \, ml$ to $500 \, ml$
• D
  $10 \, ml$ to $15 \, ml$