read the sentence. i could tell by the mischievous gleam in their eyes and the sneaky looks they were…

read the sentence. i could tell by the mischievous gleam in their eyes and the sneaky looks they were exchanging that my little brother and sister had been planning to deceive me in some way. the most precise replacement for the underlined word is arranging preparing conniving organizing
Answer
Brief Explanations:
"Planning" en este contexto implica una conspiración o un plan secreto. "Conniving" significa conspirando o planeando algo de manera sutil y desagradable, lo que coincide con el tono y el significado del contexto. Las otras opciones no transmiten el mismo sentido de conspiración.
Answer:
C. conniving