Question

I wouldn’t speak to him, _________ trust him and lend him some money．

1. A.
   let alone
2. B.
   let out
3. C.
   leave alone
4. D.
   leave out

Answer 1

A
句意：我甚至都不愿和他说话，更何况信任他并借给他钱呢。let alone“更不用说”；let out“释放，泄露”；leave alone“不打扰”；leave out“忽略，省略”。