Answer:
Option C, inability to attend parties
Step-by-step explanation:
After delivering a baby, Christine must have undergone a lot of physical transformations such as increase in weight, widened body structure,etc. Along with this, her responsibilities towards he baby also increased due to which she is not getting sufficient sleep and time to relax
However, going to attend a party is a social factor and Christine being excessive busy in her new life (after delivering a baby) ,might not be going to attend such parties.
Hence, option C is correct