Which of the following R statement will save the output to the file for following R code?

> a <- data.frame(x = rnorm(100), y = runif(100))
> b <- c(3, 4.4, 1 / 3)

A. List B. Matrix C. Data Frame D. Vector

A. A list of elements B. A one-dimensional array C. A two-dimensional array D. A data frame

A. my_list <- c(1, "hello", TRUE) B. my_list = list(1, "hello", TRUE) C. my_list(1, "hello", TRUE) D. list(my_list = c(1, "hello", TRUE))

A. List B. Matrix C. Data Frame D. Array