Answer:The two statements that best support Mariah's realization that she has too much going on in her life :
A) Instead of enjoying everything, she felt like she was sprinting from one task to the next, in a never-ending relay race
C) As Mariah held the bottle up to catch the sunlight, she realized she'd added too much to her own life too.
Statement A describes how Mariah feels like she's constantly busy and rushing from one task to the next, indicating that she has a lot on her plate.
Statement C describes Mariah's realization that she has added too much to her life, which suggests that she has taken on more than she can handle.
Together, these statements suggest that Mariah has come to the realization that she has overloaded herself with too many commitments and activities.