Simple molecules and covalent bonds — practice question

Four covalent compounds are shown below. chlorine methane ammonia water Which row shows the total number of covalent bonds in each compound?

• Achlorine $2$, methane $4$, ammonia $3$, water $2$
• Bchlorine $1$, methane $3$, ammonia $2$, water $2$
• Cchlorine $2$, methane $3$, ammonia $2$, water $3$
• Dchlorine $1$, methane $4$, ammonia $3$, water $2$