A normal infant sits briefly leaning forward on her hands, reaches for and grasps a cube and transfer it from hand to hand. She babbles but cannot wave bye-bye nor can she grasp objects with the finger and thumb. Her age is -: (A) 4 months, (B) 7 months, (C) 10 months, (D) 10 months
Answer is B. Ans. is 'b' i.e., 7 months