I don’t see an italicized word? But gazed could be looking intently and in admiration. Dazzled could be amazed or kind of charming. Exotic could be unique or special.
B. She was chosen to be an astronaut
"Were" and "are" must follow plural pronoun (eg. you, we, they )
D. An animation of a puppy jumping up and down
There are many factors involved in the improvement in the life expectancy such as sanitation, housing, scientific research to cure many diseases and infections, education etc.
Historically it was the nineteenth and early twentieth century when all these improvements were made due to which the mortality rate decreased intensively in early and middle ages.
