The answer is: Her eyes sparkled because it says that she <span>laughed delightedly meaning she is happy. Her eyes sparkled because she is happy.</span>
My little sister, Evie, became excited as we discussed plans for her birthday party; she laughed delightedly at my ideas, and her eyes sparkled.
"Her eyes sparkled" best completes the passage. Evie is delighted at her older sister's ideas for her birthday party and because of this her eyes sparkle. It would not make sense to say she was upset or crying, as it states before that "she laughted delightedly at my ideas." Also the phrase "her teeth chattered" is not relevant to any other part of the passage.
The U.S. Supreme Court ruled that Nixon must release the Oval Office tapes to government investigators. The tapes revealed that Nixon had conspired to cover up activities that took place after the break-in and had attempted to use federal officials to deflect the investigation.
