Which implicit detail best supports the inference that Jamar has lost his house keys?
Jamar jumped off the school bus when it stopped at his corner.
Approaching his front porch, he opened his bag. His fingers searched
inside. He frowned. He pulled his hand out, empty. The house was
dark. He hoped his mom was home. Crossing his fingers, he rang the
doorbell.
A. He is surprised that the house is dark.
B. He is worried.
C. He hopes his mother is home.
O D. He expected to find something in his bag.

PLEASE HELP ASAP