Baby Tianna is clingy to her mother in new situations and unwilling to explore. She is extremely distressed when left alone by her mother (separation anxiety), and is scared of strangers. When her mot
a) Shows affection, Tianna becomes more distressed
b) Leaves the room, Tianna shows no reaction
c) Returns after being away, Tianna shows no reaction
d) Comforts her, Tianna shows no reaction