Choose the most effective revision for the underlined part of the sentence. If no revision is necessary, choose "Leave it as is.
" "It was she who wanted your phone number."
A. It was her who wanted your phone number.
B. It was her whom wanted your phone number.
C. It was she whom wanted your phone number.
D. Leave it as is.
Scientists use models to reproduce conditions or theories in a practical and inexpensive way. These models help scientists carry out research, amass data to predict future outcomes. models are visual aids that help scientists convey complicated material.
