The cell in multicellular organisms are a organized into?

Tissues

Explanation:

Multicellular organisms, like people, are made up of many cells. Cells are considered the fundamental units of life. The cells in complex multicellular organisms like people are organized into tissues, groups of similar cells that work together on a specific task.

Brainliest please i need it to level up<3

You didn't underline but there are only two verbs anyway

By the time she is seven,

She IS - present

 Alayna will have been working
future perfect progressive

 on that castle of building blocks for one year.

so it seems that A is the answer