All of them involve winter so D. is the answer
Answer:
Dónde nos encontramos.
Explanation:
Where shall we meet = Dónde nos encontramos.
If we are talking about a married couple in Spanish it is said "esposos". The term involves husband and wife. As regards "abuelos", it makes reference to grandparents- When using the tern "padres", it refers to parents.
"hijos" is for children (sons and daughters) and "nietos" is for grandchildren.