The correct option is B.
Family life cycle refers to the emotional and intellectual stages that one passes through from childhood to retirement age as a member of a family. There are five phases of family life cycle, these are: Independence, marriage, parenting, launching of adult children and retirement. <span />
The axon of one cell connects to another through a gap called the synapse. This gap is the space in which the leading neuron sends a neurotransmitter to the other neuron signalling that neuron to continue sending a signal.<span />
Cancer that affect supportive or connective tissue are classified as sarcomas I think