Which of the following social workers deal with children’s emotional troubles?

Read the following passage and mark the letter A, B, C, or D to indicate the answer to each of the question.

Social workers are often the first people met by a person in need of human services. Social workers spend part of their day in an office setting or group residence and the rest of it going to people's homes.
Children welfare workers help children and teens in abusive situations. They investigate and report instances of neglect or abuse and take action if necessary to place children in foster homes.
Medical social workers help patients and their families when diseases such as AIDS or Alzheimer's cause suffering. They help a patient and his family to adjust to the new situation.
School social workers work within school systems to help children who have emotional problems. These students are often put into special education classrooms simply because they can’t control their behaviors. A school social worker works with the family of such a student to try to integrate him or her back into the general school population.
Industrial or occupational social workers work within a personnel department of a business to help employees cope with job pressures or personal problems that affect the quality of their work.
Gerontology social workers run support groups for the elderly. They also advise the elderly and their family members on the subjects of long-term housing and health care.
A bachelor's degree, and often a master's degree, is the minimum requirement for a professional position in social work. However, small agencies may accept some community college courses in psychology or sociology. In such places, you may find a position available as a record keeper or an aide to one of the social workers on the staff. Salaries usually start at $18,000.