Answer:
Cristina no es muy alta. Ella es bajita.
In English: Cristina is not very tall. She is short.
Cristina no es muy alta. Ella es menos alta.
In English: Cristina is not very tall. She is less tall.
Step-by-step explanation:
Cristina no es muy alta. Ella es _.
In English: Cristina is not very tall. She is _.
If wanting to say short, use "bajita". Or if wanting to say less tall, use "menos alta".