"there are still many questions about folk literature that need to be answered" is these grammatical or ungrammatical?

Question 3 of 10 2 points read the passage below: spring is a wonderful time of year. green buds poking through the damp soil and flower petals wafting in the wind are sure signs that the weather is changing. which of the following words and phrases represent examples of imagery? o a. "weather is changing" o b. "spring is a wonderful time" o c. "green buds" and "flower petals o d. "time of year" and "are sure signs slomit