Which of the following statements is/are correct regarding emotional/social development in a child?I. Between ages 2 and 6 months, infants express feelings such as anger, sadness, surprise and fearII. Babies cannot express themselves in any way until the age of 1 yearIII. Toddlers usually enter another emotionally rocky time between the ages of 15 to 18 months

• A. Both II and III
• B. Both I and II
• C. I, II and III
• D. Both I and III